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Start on Cloud

OceanBase

A unified distributed database ready for your transactional, analytical, and AI workloads.

Product Overview
DEPLOY YOUR WAY

OceanBase Cloud

The best way to deploy and scale OceanBase

OceanBase Enterprise

Run and manage OceanBase on your infra

TRY OPEN SOURCE

OceanBase Community Edition

The free, open-source distributed database

OceanBase seekdb

Open source AI native search database

Customer Stories

Real-world success stories from enterprises across diverse industries.

View All
BY USE CASES

Mission-Critical Transactions

Global & Multicloud Application

Elastic Scaling for Peak Traffic

Real-time Analytics

Active Geo-redundancy

Database Consolidation

Comprehensive knowledge hub for OceanBase.

Blog

Live Demos

Training & Certification

Documentation

Official technical guides, tutorials, API references, and manuals for all OceanBase products.

View All
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OceanBase CloudOceanBase Database
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OceanBase Database

SQL - V4.6.0

  • What's New
  • What is OceanBase Database
    • Overview
    • Architecture
    • Compatibility with Oracle
      • Overview of Oracle compatibility
      • SQL data types
      • Built-in functions
      • System views
    • Compatibility with MySQL
    • Limitations
  • Get Started
    • Quick start with OceanBase Database Community Edition
    • Learn OceanBase SQL
      • Before you begin
      • Basic SQL operations (MySQL mode)
      • Basic SQL operations (Oracle mode)
    • Build a sample application (MySQL-compatible mode)
      • Build a Python application
      • Build a Java application
      • Build a C application
      • Build a Go application
    • Build a sample application (Oracle-compatible mode)
      • Create a Java sample application
      • Create a C application
    • Try out advanced features of OceanBase Database
      • Scalable OLTP
        • Run the TPC-C benchmark in OceanBase Database
        • Try out the hot row update capability of OceanBase Database
      • Try out operational OLAP
      • Try out parallel import and data compression
      • Try out the multi-tenant feature
  • Develop
    • Develop applications (MySQL-compatible mode)
      • Connect to OceanBase Database
        • Overview
        • Connect to an OceanBase tenant by using the mysql client
        • Connect to an OceanBase tenant by using OBClient
        • Connect to OceanBase Database by using ODC
        • Connect to OceanBase Database by using DBeaver
        • Connect to OceanBase Database by using Navicat
        • Use database connection pool
          • Database connection pool configuration
          • Tomcat
          • c3p0
          • Proxool
          • HikariCP
          • DBCP
          • Commons Pool
          • Druid
          • JDBC
      • Sample applications
        • Java
          • Spring Boot
          • Spring Batch
          • Spring JDBC
          • Spring Data JPA
          • Hibernate
          • MyBatis sample application for connecting to OceanBase Database
          • Connector/J
          • TestContainers
        • Python
          • mysqlclient
          • PyMySQL
          • MySQL-connector-python
        • C
          • MySQL Connector/C
        • Go
          • Go-SQL-Driver/MySQL
          • GORM
        • NET
          • Connect to an OceanBase database by using OceanBase Connector/NET
        • PHP
          • EXT
          • MySQLi
          • PDO
        • Rust
          • Connect to OceanBase Database by using Rust
          • Connect to OceanBase Database by using SeaORM
      • Plan database objects
        • Create a database
        • Create a table group
        • Create a table
        • Create an index
        • Create an external table
      • Write data
        • Insert data
        • Update data
        • Delete data
        • Replace data
        • Generate test data in batches
      • Read data
        • Single-table queries
        • Join tables
          • INNER JOIN queries
          • FULL JOIN queries
          • LEFT JOIN queries
          • RIGHT JOIN queries
          • Subqueries
          • Lateral derived table
        • Use operators and functions in queries
          • Use arithmetic operators in queries
          • Use numerical functions in queries
          • Use string concatenation operators in queries
          • Use string functions in queries
          • Use datetime functions in queries
          • Use type conversion functions in queries
          • Use aggregate functions in queries
          • Use NULL-related functions in queries
          • Use the CASE conditional operator in queries
          • Lock query results with SELECT FOR UPDATE
          • Use the SELECT ... LOCK IN SHARE MODE statement to lock query results
        • Use a DBLink in queries
        • Set operations
      • Transactions
        • Overview
        • Start a transaction
        • Savepoints
          • Mark a savepoint
          • Roll back a transaction to a savepoint
          • Release a savepoint
        • Commit a transaction
        • Roll back a transaction
      • Application errors
        • Troubleshooting guidelines
          • About error codes
          • Error handling specifications for MySQL-compatible applications
        • Common errors and troubleshooting practices
          • Disconnected from the server, with ERROR 2013 reported
          • Idle transaction timed out, with ERROR 6002 reported
          • Transaction timed out, with ERROR 4012 reported
          • User locked, with ERROR 3118 reported
          • Incorrect user password, with ERROR 1045 reported
          • Table already exists, with ERROR 1050 reported
          • Table does not exist, with ERROR 1146 reported
          • Duplicate data inserted, with ERROR 1062 reported
          • ERROR 1215 reported in foreign key addition
          • Data truncated while being inserted, with ERROR 1265 reported
    • Develop applications (Oracle-compatible mode)
      • Connect to OceanBase Database
        • Overview
        • Connect to an OceanBase tenant by using OBClient
        • Connect to OceanBase Database by using ODC
        • Use database connection pool
          • Database connection pool configuration
          • Tomcat
          • c3p0
          • Proxool
          • HikariCP
          • DBCP
          • Commons Pool
          • Druid
      • Sample applications
        • Java
          • OceanBase Connector/J
          • Spring Boot
          • Spring Batch
          • Spring Data JDBC
          • Spring Data JPA
          • Hibernate
          • MyBatis
          • JFinal
        • C/C++
          • OceanBase Connector/C
          • OceanBase Connector/ODBC
          • SqlSugar
        • NET
          • Connect to OceanBase Database using OceanBase Connector/NET
      • Plan database objects
        • Create a table group
        • Create a table
        • Create an index
        • Create an external table
      • Write data
        • Insert data
        • Update data
        • Delete data
        • Replace data
        • Generate test data in batches
      • Read data
        • Single-table queries
        • Join tables
          • INNER JOIN queries
          • FULL JOIN queries
          • LEFT JOIN queries
          • RIGHT JOIN queries
          • Subqueries
          • Lateral derived tables
        • Use operators and functions in queries
          • Use arithmetic operators in queries
          • Use numerical functions in queries
          • Use string concatenation operators in queries
          • Use string functions in queries
          • Use datetime functions in queries
          • Use type conversion functions in queries
          • Use aggregate functions in queries
          • Use NULL-related functions in queries
          • Use CASE functions in queries
          • Use the SELECT...FOR UPDATE statement to lock query results
        • Use a DBLink in queries
        • Set operations
      • Transactions
        • Overview
        • Start a transaction
        • Savepoints
          • Mark a savepoint
          • Roll back a transaction to a savepoint
        • Commit a transaction
        • Roll back a transaction
      • Application errors
        • Troubleshooting guidelines
          • About error codes
          • Error handling specifications for Oracle-compatible applications
        • Common errors and troubleshooting practices
          • Idle transaction timed out, with Error OBE-24761 reported
          • Transaction timed out, with Error OBE-00600 reported
          • User locked, with ERROR 3118 reported
          • Incorrect user password, with ERROR 1045 reported
          • Table already exists, with Error OBE-00955 reported
          • Table does not exist, with Error OBE-04043 reported
          • Duplicate data inserted, with Error OBE-00001 reported
          • Error OBE-00600 reported in foreign key addition
          • Inconsistent data types, with Error OBE-00932 reported
  • Deploy
    • Overview
    • HA deployment solutions for OceanBase clusters
    • Deploy OceanBase Database Enterprise Edition
      • Deployment process
      • Before deployment
        • Prepare servers
        • Configure servers
        • Prepare installation packages
        • Deploy OAT
      • Deploy through GUI
        • Configure deployment environment using OAT
          • Add a server
        • Deploy OCP
          • Overview
          • Upload installation packages
          • Create MetaDB
          • Deploy OCP
        • Deploy OceanBase clusters using OCP
          • Deploy a two-replica OceanBase cluster with the arbitration service by using OCP
          • Deploy a single-replica OceanBase cluster by using OCP
          • Deploy a three-replica OceanBase cluster by using OCP
        • (Optional) Deploy ODP
      • Deploy through CLI
        • Configure deployment environment
          • Initialize an OBServer node by using oatcli
          • (Optional) Configure the clock source
        • Deploy OceanBase clusters using CLI
          • Deploy a two-replica OceanBase cluster with the arbitration service by using the CLI
          • Deploy a single-replica OceanBase cluster by using the CLI
          • Deploy a three-replica OceanBase cluster by using the CLI
        • (Optional) Deploy ODP
      • Deploy OceanBase Database Java SDK
    • Clear an OceanBase cluster
    • Recommended configurations
  • OceanBase version upgrade
    • OceanBase Database Enterprise Edition
      • Overview
      • Upgrade an arbitration service
      • Upgrade an OceanBase cluster
      • Check the status after the upgrade
    • OceanBase Database Community Edition
      • Upgrade OceanBase Database with obd
  • Migrate
    • Overview
    • Migrate from MySQL databases to OceanBase Database
      • Use OMS to migrate data from a MySQL database to a MySQL tenant of OceanBase Database
      • Use mydumper and myloader to migrate data from a MySQL database to OceanBase Database
      • Use DBCAT to migrate schemas from a MySQL database to OceanBase Database
      • Use DataX to migrate table data from a MySQL database to OceanBase Database
      • Use CloudCanal to migrate data from a MySQL database to OceanBase Database
      • Use Canal to synchronize data from a MySQL database to OceanBase Database
      • Use Flink CDC to synchronize data from a MySQL database to OceanBase Database
      • Use ChunJun to migrate data from a MySQL database to OceanBase Database
    • Migrate from OceanBase Database to MySQL databases
      • Use OMS to migrate data from a MySQL tenant of OceanBase Database to a MySQL database
      • Use OMS to migrate incremental data from an Oracle tenant of OceanBase Database to a MySQL database
      • Use DBCAT to migrate schemas from OceanBase Database to a MySQL database
      • Use DataX to migrate table data from OceanBase Database to a MySQL database
      • Use Canal to synchronize data from OceanBase Database to a MySQL database
      • Use CloudCanal to migrate data from OceanBase Database to a MySQL database
      • Use Flink CDC to migrate data from OceanBase Database to a MySQL database
      • Use ChunJun to migrate data from OceanBase Database to a MySQL database
    • Migrate from Oracle databases to OceanBase Database
      • Use OMS to migrate data from an Oracle database to a MySQL tenant of OceanBase Database
      • Use OMS to migrate data from an Oracle database to an Oracle tenant of OceanBase Database
      • Use DBCAT to migrate schemas from an Oracle database to OceanBase Database
      • Use DataX to migrate table data from an Oracle database to OceanBase Database
    • Migrate from OceanBase Database to Oracle databases
      • Use OMS to migrate data from an Oracle tenant of OceanBase Database to an Oracle database
      • Use DBCAT to migrate schemas from OceanBase Database to an Oracle database
      • Use DataX to migrate table data from OceanBase Database to an Oracle database
    • Migrate from DB2 databases to OceanBase Database
      • Use OMS to migrate data from a DB2 LUW database to a MySQL tenant of OceanBase Database
      • Use OMS to migrate data from a DB2 LUW database to an Oracle tenant of OceanBase Database
      • Use DBCAT to migrate table schemas from a DB2 LUW database to OceanBase Database
    • Migrate from OceanBase Database to DB2 databases
      • Use OMS to migrate data from a MySQL tenant of OceanBase Database to a DB2 LUW database
      • Use OMS to migrate data from an Oracle tenant of OceanBase Database to a DB2 LUW database
    • Migrate from TiDB databases to OceanBase Database
      • Use OMS to migrate data from a TiDB database to a MySQL tenant of OceanBase Database
    • Migrate from PostgreSQL databases to OceanBase Database
      • Use OMS to migrate data from a PostgreSQL database to a MySQL tenant of OceanBase Database
    • Migrate from CSV files to OceanBase Database
      • Use DataX to migrate CSV files to OceanBase Database
      • Import data by using the LOAD DATA statement
    • Import data from SQL files to OceanBase Database
    • Migrate data between OceanBase Database
      • Use OMS to migrate data from an OceanBase tenant to another of the same type
      • Use OMS to migrate data from an OceanBase tenant to another of the same type in active-active disaster recovery scenarios
      • Use obloader & obdumper to migrate data between MySQL tenants in OceanBase Database
      • Use obloader & obdumper to migrate data from a MySQL tenant to an Oracle tenant in OceanBase Database
      • Use obloader & obdumper to migrate data between Oracle tenants in OceanBase Database
      • Use obloader & obdumper to migrate data from an Oracle tenant to a MySQL tenant in OceanBase Database
    • Migrate data using SQL statements
      • Migrate data between tables
      • Migrate resource units
      • Export data using the OUTFILE statement
    • Overview of direct load
  • Manage
    • Log in to an OceanBase tenant
    • Manage clusters
      • Overview
      • Cluster parameters
      • Common cluster operations
        • View a zone
        • View a node
        • Restart a node
        • Add nodes
        • Delete a node
        • Isolate a node
        • Replace a node
        • Start a zone
        • Add a zone
        • Delete a zone
        • Modify a zone
        • Isolate a zone
        • View cluster parameters
        • Modify cluster parameters
        • Reset cluster parameters
      • Troubleshoot common problems
        • Failures of a minority of nodes
        • Failures of the majority of nodes
    • Manage tenants
      • Tenant introduction
      • Tenant capacity
      • Tenant types
      • User tenant introduction
      • Tenant system variables
      • Common tenant operations
        • Create a tenant
        • Resource isolation
          • Overview
          • Manage resource isolation (Oracle-compatible mode)
            • Configure cgroups
            • Configure global CPU resource isolation for frontend and backend tasks
            • Calibrate the disk performance
            • Configure resource isolation within a tenant
            • Update a plan directive
            • Delete a plan directive
            • Delete a resource management plan
            • Delete a resource group
            • Clear cgroup configurations
          • Manage resource isolation (MySQL-compatible mode)
            • Configure cgroups
            • Configure global CPU resource isolation for foreground and background tasks
            • Calibrate the disk performance
            • Configure resource isolation within a tenant
            • Update resource management plan directive
            • Delete a plan directive
            • Delete a resource management plan
            • Delete a resource group
            • Clear cgroup configurations
        • View tenant and resource information
        • View and set the tenant allowlist
        • View system variables of a tenant
        • Modify system variables of a tenant
        • Scale in/out
          • Overview
          • Plan resources
          • Tenant pre-scaling
          • Modify the unit config for a tenant
          • Modify the number of resource units for a tenant
          • Modify the number of primary zones for a tenant
          • Smooth scaling application scenarios
        • Modify attributes of a resource pool
        • Modify attributes of a tenant
        • Lock and unlock a tenant
        • Drop a tenant
        • Restore a tenant
        • Rename a tenant
        • Manage resource pools
          • View resource pool information
          • Allocate a resource pool to a tenant
          • Remove resource pools from a tenant
          • Merge and split a resource pool
          • Drop a resource pool
        • Manage unit configs
          • Query unit configs
          • Modify a unit config
          • Drop a unit config
        • Manage services
          • Create a service
          • Query the service status
          • Start a service
          • Stop a service
          • Delete a service
    • Manage log streams
      • Create a log stream
      • Modify a log stream
    • Manage replicas
      • Replicas
      • Replica distribution
        • Locality
        • Common locality operations
          • View locality
          • Modify locality
          • Add a replica
          • Remove replicas
          • Convert the type of a replica
          • Adjust the distribution of replicas
          • View the locality change history
          • Replica migration
          • Modify the number of Paxos replicas of a log stream
          • Cancel a replica task
      • Traffic distribution
      • Data distribution
    • Data load balancing
      • Overview
      • Transfer Partition
      • Cancel a partition transfer task
      • Cancel a Balance Job
      • Partition balance management
        • View the partition balancing task in the background
        • View the history of partition balancing tasks in the background
      • GTS standalone application scenario
    • High availability
      • High availability overview
      • Multi-replica disaster recovery
        • Data link introduction
        • ODP high availability
        • Database-level high availability
        • Disaster recovery architecture and levels
      • Physical standby database disaster recovery
        • Overview
        • Limitations
        • Create a standby tenant
          • Preparations
          • Create an empty standby tenant
          • Create a standby tenant by using the backup and restore (with complete logs) feature
          • Create a standby tenant by using the BACKUP DATABASE PLUS ARCHIVELOG feature
        • Log transmission service
          • Overview
          • Configure log transmission service
            • Set a log restore source
            • Specify a log restore endpoint
          • View log restore source information
          • View the log synchronization progress
          • Pause or resume log synchronization
          • Optimize the log synchronization performance
          • Set the log synchronization bandwidth limit
          • Specify log compression
        • Log storage service
        • Switch roles
          • Overview of tenant roles
          • Switchover
          • Failover
        • Drop primary and standby tenants
      • Arbitration high availability
        • Overview
        • Enable arbitration service for a tenant
        • Disable the arbitration service for a tenant
        • Modify the log stream downgrade control time
        • Query log stream upgrade/downgrade information
        • Replace the arbitration service for a cluster
        • Remove the arbitration service for a cluster
        • Clear residual cluster information
      • Manage recycle bin
        • Overview
        • Enable or disable the recycle bin
        • View objects in the recycle bin
        • Restore objects from the recycle bin
        • Purge the recycle bin
      • Flashback queries
    • Security and permissions
      • Overview
      • Identification and authentication
        • MySQL-compatible mode
          • Identity authentication
          • Password complexity
          • Login failure processing
        • Oracle-compatible mode
          • Identity authentication
          • Password complexity
          • Login failure processing
      • Access control
        • Overview
        • Users and permissions
          • Overview
          • MySQL-compatible mode
            • Privilege types in MySQL mode
            • Create a user
            • Grant direct privileges
            • Privilege delegation
            • Role management
              • Overview
              • Create a role
              • Grant privileges to a role
              • Grant a role to a user or another role
              • Activate a role
              • View roles
              • Revoke privileges from a role
              • Revoke a role from a user or another role
              • Drop a role
            • Grant indirect privileges
            • View user privileges
            • Revoke privileges
            • Lock or unlock a user
            • Drop a user
          • Oracle-compatible mode
            • Privilege types in Oracle mode
            • Create a user
            • View the information of a user
            • Grant direct privileges
            • Privilege delegation
            • Manage roles
              • Overview
              • Create a role
              • Grant a role to another role
              • Grant a role to a user
              • Activate or deactivate roles for a user
              • View roles
              • Modify a role
              • Revoke a role
              • Drop a role
            • Grant indirect privileges
            • View user privileges
            • Revoke privileges
            • Use a proxy user
            • Lock or unlock a user
            • Drop a user
        • Network security access control
        • RPC connection authentication
        • Row-level access control
      • Data encryption
        • Overview
        • Data transmission encryption
          • Overview
          • Transport encryption for OBServer
          • ODP transmission encryption
        • Tenant master key management
          • Overview
          • Generate a tenant master key (MySQL mode)
          • Generate a tenant master key (Oracle mode)
        • Data storage encryption
          • Overview
          • MySQL-compatible mode
            • Enable TDE for new tables
            • Enable TDE for existing tables
            • Decrypt a table
          • Oracle-compatible mode
            • Enable TDE for new tables
            • Enable TDE for existing tables
            • Decrypt a table
        • Column encryption
          • Overview of column encryption
          • MySQL-compatible mode
            • Create a column encryption rule
            • Manage column encryption privileges
          • Oracle-compatible mode
            • Create a column encryption rule
            • Column encryption permissions
          • FAQ about column encryption
      • Security audit
        • Security audit overview
        • Security audit in MySQL-compatible mode
          • Enable security auditing
          • Set an auditing rule
          • View auditing records
          • Disable security auditing
        • Security audit in Oracle-compatible mode
          • Enable security auditing
          • Set and view auditing rules
          • View auditing records
          • Audit user logins
          • Audit user operations
          • Audit specified database objects
    • Backup and restore
      • Overview
      • Experience physical backup and restore with simplified deployment
      • Deploy NFS
      • Log archive
        • Overview
        • Prepare for log archiving
        • Enable ARCHIVELOG
        • Suspend archiving
        • Disable ARCHIVELOG
        • View information about pieces
        • View the archiving progress
        • View the archiving history
        • View archiving parameter settings
        • Change the archive destination
        • Clear the archive path setting
        • Views related to log archiving
      • Data backup
        • Prepare for backup
        • Initiate a full data backup job
        • Initiate an incremental data backup job
        • Back up parameters
        • Stop a backup job
        • View the data backup progress
        • View the data backup history
        • View parameters related to data backup
        • Change the backup destination
        • Views related to data backup
      • Update `access_id` and `access_key` information for the backup or archive path
      • Clear backup data
        • Query the backup cleanup progress
        • Query the backup cleanup history
        • Backup cleanup parameter
        • Views related to backup cleanup
      • Backup validation
        • Backup validation overview
        • Validate the entire backup path and archive path
        • Validate a specified backup set or log archive piece
        • Validate a backup set or log archive piece in a specified path
        • Cancel a backup validation task
        • View the backup verification progress
        • View the backup validation result
      • Restore data
        • Prepare for restore
        • Perform physical restore
        • Perform restore from the specified paths
        • Cancel physical restore
        • View the physical restore progress
        • View physical restore results
        • Replay logs to a standby tenant
        • Convert a standby tenant into primary tenant
        • Upgrade a tenant after restore
        • Parameters related to physical restore
        • Views related to physical restore
      • Restore by table
        • Overview of table-level restore
        • Preparations before table-level restore
        • Perform table-level restore
        • Schema recovery in table-level restore
        • Cancel table-level restore
        • Check the progress of table-level restore
        • Check the results of table-level restore
        • Parameters related to table-level restore
        • Views related to table-level restore
      • Backup and restore performance tuning
    • Monitor
      • Overview
      • Metrics
        • System monitoring
          • Overview
          • Metrics
          • Wait events
          • Latch events
        • SQL monitoring
          • Overview
          • SQL audit
          • Execution plans
      • Cases
    • Logs
      • Overview
      • Log levels
      • Log stability
      • Log control
      • Log compression and decompression
      • Log metrics
      • Alert logs
      • View logs
        • Search for the logs of a specific SQL request
        • Query the log of a previous SQL request by using the SQL Trace feature
    • Daily inspection
      • Overview
      • Check cluster parameters
      • Check the host status
      • Check the resource usage status of a tenant
      • Check cluster resource usage
      • Check the OBServer node status
      • Check the NTP offset
      • Deadlock detection
      • End-to-end tracing
        • Overview
        • Process
        • Methods
        • Show end-to-end tracing information
        • Quick start: End-to-end diagnosis with obdiag
    • Performance tuning
      • Overview
      • Identify bottlenecks on the data link
      • Identify bottlenecks within components
        • ODP performance bottlenecks
        • ODP performance analysis
        • OBServer performance bottlenecks
          • Overview
          • Non-optimal plan
            • Non-optimal plan
            • Buffer tables
            • Cardinality
          • Hard parsing
          • Capacity issues
          • Internal wait events
      • SQL tuning
        • SQL tuning system
        • Execution plan optimization
          • Statistical information and row estimation
            • Overview
            • Statistical information
              • Overview
              • Collect statistical information
                • Overview
                • Manually collect statistics
                • Automatic statistics collection
              • Query statistics
              • Manage statistical information
                • Overview
                • Delete and set statistics
                • Import and export statistics
                • Lock statistics
                • Query historical versions of statistics and roll back to a specified version
                • Configure statistics collection strategies
            • Row estimation
              • Overview
              • Row estimation based on the selectivity
              • Row estimation based on the storage layer
            • Use statistical information and row estimation
          • Plan management
            • Plan cache
            • Disadvantages of the plan cache and countermeasures
            • Views related to the plan cache
          • Index selection
            • Overview
            • Reduce row reads
            • Avoid table access by index primary key
            • Avoid sorting
          • Join
            • Joins
            • Join algorithm
              • Nested loop joins
              • Hash Join
              • Merge join
              • Common business issues
            • Join types
            • Join order
          • Order and limit optimization
            • Overview
            • SORT assignment and optimization
            • Optimization in ORDER BY + LIMIT scenarios
        • Business logic optimization
          • SQL specifications
          • Schema specifications
        • Locate and analyze slow queries I
        • Locate and analyze slow queries II
        • Typical scenarios and cases
    • Troubleshooting
      • Overview
      • BootStrap
      • Storage
        • Minor compaction and major compaction
        • Memory-related errors
        • Migration, replication, and rebuild tasks
      • Election
        • Election
        • Forced leader election
        • No leader
      • Transaction
        • Transaction issues
        • Transaction rollbacks
        • Long-running transactions
        • Suspended transactions
        • Idle transactions
      • Log synchronization-related errors
      • Physical standby database
        • Log synchronization stuck for the physical standby database
        • Switchover and failover issues
        • Other issues
      • Backup and restore
        • Data backup failures
        • Physical restore failures
      • Arbitration server process startup failures
      • FAQ about manual operations on log streams
      • Application exceptions -- error messages without OceanBase error codes
      • Application exceptions -- error messages with OceanBase error codes
      • Troubleshoot application disconnection issues
      • Troubleshooting with ASH
        • Troubleshoot uneven CPU usage
    • Emergency response
      • Emergency response overview
      • Analysis, diagnosis, and decision-making procedure
      • Common emergency problem handling
        • Hardware issues
          • Node failure
          • Network failure
          • ODP failure
          • Other hardware and network issues
        • Capacity issues
          • SQL query exceptions
          • Node disk I/O high
          • Node network card overload
          • Tenant memory full
          • obproxy thread exhaustion
          • Node clog disk full
          • Node data disk full
          • Tenant request queue backlog
        • Other cluster issues
          • sys tenant or RootService exceptions
          • Insufficiency or leakage of system memory
  • OceanBase AP
    • AP feature version history
    • Overview of OceanBase Database AP
    • Core features of OceanBase Database AP
    • Quickly try out OceanBase AP
    • Deployment
      • Overview
      • Deploy an AP architecture
      • Parameter configuration recommendations for AP scenarios
      • Deploy and use columnstore replicas
      • AP query routing rules
    • Data table design
      • Overview of data tables
      • Data distribution
        • Dynamic partitioning
      • Best practices for data table design
        • Data table design and query optimization in AP scenarios
        • JSON multi-value index and full-text index practices
        • Table partitioning design practices for OLAP scenarios
        • Configure Skip Index in conjunction with table update mode
    • Data migration
      • Best practices for migrating data from mainstream AP databases to OceanBase
    • Data collection
      • Import data
        • Overview
        • Direct load
          • Overview
          • Incremental direct load
        • Import data to an external table
        • Strategies and best practices
    • Data processing
      • Data processing in OceanBase Database
      • Data processing tools
      • Materialized views query acceleration
        • Query acceleration using materialized views
        • Practice scenarios of materialized views
    • Data lake
      • Data catalog
        • Overview of data catalogs
        • HMS Catalog
      • External table
        • External tables
    • Query acceleration
      • Overview
      • Statistics
      • Select a query parallelism level
    • Export data
    • Data visualization
    • Performance diagnosis and tuning
      • Use the DBMS_XPLAN package for performance diagnostics
      • Use the GV$SQL_PLAN_MONITOR view for performance analysis
      • Views related to AP performance analysis
    • Ecosystem integration
    • Tutorials
      • Recommended practical tutorials for analytical processing
    • AP FAQ
  • OceanBase AI
    • Overview
      • Overview of vector search
      • Core features of vector search
      • AI application workflow with OceanBase Vector Search
    • Quick start
      • Use SQL to perform vector search
      • Perform a vector search by using Python
    • Vector embedding
    • Store vector data
    • Vector index
      • Overview
      • Vector index memory management
      • Dense vector index
        • Choose an index type
        • HNSW index
        • IVF series indexes
      • Semantic index
      • Sparse vector index
        • In-Memory Sparse Index
      • Monitor and maintain vector indexes
    • Use SQL functions
    • Vector similarity search
    • Hybrid search
      • Hybrid search (SQL interface)
      • Hybrid search (PL interface)
    • AI function service
      • Overview
      • Get started with AI Function Service
      • AI function service privileges
      • Register AI models
      • Syntax and examples of AI Function Service
    • Migrate to OceanBase Database from a vector database
    • Practical tutorial
      • Overview
    • Benchmark testing with VectorDBBench
    • Vector search references
      • Overview of vector data types
      • Search index
      • Compatibility
      • Supported clients and languages
        • Java SDK interface
    • FAQ
  • Shared storage
    • Shared storage overview
    • Shared storage architecture
    • Multi-level caching in shared storage
    • Shared storage disaster recovery deployment
    • Hotspot cache (MySQL-compatible mode)
      • Overview
      • Create a table-level hot and cold storage strategy
      • Create a partition-level storage cache policy
      • Modify the cold and hot storage policy at the table level
      • Modify the partition-level hot and cold storage strategy
      • Manage the custom hot and cold storage strategy
      • Create a macro-block-level hot and cold storage strategy
    • Shared storage-related views overview
    • Overview of shared storage configuration items and system variables
  • Integrations
    • Overview
    • ORM frameworks
      • Java
        • Connect to OceanBase Database by using Spring Boot
        • Connect to OceanBase Database by using Spring Batch
        • Connect to OceanBase Database by using Spring Data JDBC
        • Connect to OceanBase Database by using Spring Data JPA
        • Connect to OceanBase Database by using Hibernate
        • Sample program that uses MyBatis to connect to OceanBase Database
      • Python
        • Connect to OceanBase Database by using SQLAlchemy
        • Connect to OceanBase Database by using peewee
      • Go
        • Connect to OceanBase Database by using GORM
      • Ruby
        • Connect to OceanBase Database by using Active Record
        • Sequel
    • Database version management
      • Liquibase
    • Data integration
      • dbt
      • SeaTunnel
      • Maxwell
      • Debezium
    • SQL development
      • DBeaver
      • Navicat
      • DataGrip
      • TablePlus
    • Orchestration and scheduling
      • DolphinScheduler
      • Linkis
    • Visualization tools
      • Superset
      • Power BI
      • Quick BI
      • Tableau
    • Database management
      • NineData
      • Bytebase
    • AI
      • OpenAI
      • Qwen
      • LangChain
      • LlamaIndex
      • Dify
  • Tutorials
    • Build an image search application with OceanBase Database
    • Build an intelligent Q&A assistant with OceanBase Database
    • Build a real-time data warehouse and visual dashboard with OceanBase
    • Analyze data in OceanBase Database using Superset
    • Build a WordPress website with OceanBase Database
    • Use direct load to accelerate massive data import
  • Reference
    • OceanBase concepts
      • OceanBase Database architecture
      • Development of OceanBase Database
      • Multi-tenant architecture
        • Overview
        • Compatibility modes
        • Tenants
        • Tenants and resource management
          • Resource management for tenants
          • Multi-tenant resource isolation
          • Resource unit balancing
      • Database objects
        • Oracle-compatible mode
          • Introduction
            • Overview
            • Database object types
            • Database object storage
            • Dependencies between database objects
          • Tables
            • Overview
            • Data type
              • Overview
              • Character data types
              • Numeric data types
              • Datetime data types
              • ROWID data types
              • LOB data types
              • Format model
                • Overview
                • Number format models
                • Datetime format models
              • Multi-model data types
            • Integrity constraints
            • Table storage
            • Table compression
            • Partitioned table
            • Replicated table
            • Tables with and without a primary key
            • Temporary table
            • Table groups
          • Indexes
            • Overview of indexes
            • Local and global indexes
            • Unique and non-unique indexes
            • Use indexes
            • Index storage
          • Partitions
            • Overview
            • Partitioning keys
            • Partitioning types
            • Partitioned indexes
            • External table partitions
          • Views
            • Views in a database
            • Standard views
              • Standard views
              • Overview
              • OceanBase-specific views
              • Oracle-compatible views
              • View operations and data access
          • Other objects
            • Sequences
            • Synonyms
          • System views
            • Dictionary views
            • Performance views
          • Data integrity
            • Overview
            • Integrity constraint type
              • Overview
              • NOT NULL constraints
              • UNIQUE KEY constraints
              • PRIMARY KEY constraints
              • FOREIGN KEY constraints
              • CHECK constraints
            • Use of integrity constraints
        • MySQL-compatible mode
          • Introduction
            • Overview
            • Database object types
            • Database object storage
            • Dependencies between database objects
          • Tables
            • Overview
            • Data type
              • Overview
              • Numeric data types
              • Datetime data types
              • Character data types
              • LOB data types
              • Multi-model data types
              • Spatial data types
              • JSON data types
            • Integrity constraints
            • Table storage
            • Table compression
            • Partitioned table
            • Replicated table
            • Tables with and without a primary key
            • Table groups
          • Indexes
            • Overview
            • Local and global indexes
            • Unique and non-unique indexes
            • Spatial indexes
            • Full-text index
            • Vector index
            • Search index
            • Use indexes
            • Index storage
          • Partitions
            • Overview
            • Partitioning keys
            • Partitioning types
            • Partitioned indexes
            • External table partitions
          • Views
            • Views in a database
            • Standard views
              • Overview
              • Overview
              • OceanBase-specific views
              • MySQL-compatible views
              • Oracle-compatible views in MySQL tenants
              • Oracle-compatible views in the sys tenant
              • View operations and data access
          • System views
            • Dictionary views
            • Performance views
          • Data integrity
            • Overview
            • Integrity constraint type
              • Overview
              • NOT NULL constraints
              • UNIQUE KEY constraints
              • PRIMARY KEY constraints
              • Foreign key constraints
            • Use of integrity constraints
      • Distributed database objects
        • Overview
        • Cluster architecture
        • Data partitions and replicas
          • Overview
          • Log streams
          • Partition replica type
            • Overview
            • Full-featured replica
            • Read-only replicas
            • Columnstore replica
          • Multi-replica consensus protocols
          • Data balancing
            • Tenant-level load balancing
            • Views and parameters related to data balancing
        • Dynamic scaling
          • Tenant resource scaling
            • Overview
            • Scale out or scale in tenant resources
            • Vertical scaling of tenant resources
            • Cross-zone management of tenant resources
      • Data link
        • Overview
        • Database proxy
          • Overview
          • SQL routing
          • Connection management
          • ODP configuration management
          • Logs and monitoring
        • Database connector
          • Overview
          • OBCI
          • OceanBase Connector/J
          • OceanBase Connector/C
        • Cross-data source access through DBLink
          • DBLink in MySQL mode
          • DBLink in Oracle mode
      • User interface and query language
        • SQL
          • Introduction
            • Overview
            • SQL data access
            • SQL standards
          • SQL statements
            • Overview
            • DDL statements
            • Monitor DDL execution progress
            • DML statements
            • DCL
          • Execution process of SQL queries
          • Query SQL execution plans
          • Distributed execution plan
            • Perform distributed execution and parallel queries
            • Generate distributed execution plans
            • Run and disable a parallel query
            • Manage distributed execution plans
            • Tune parameters for parallel queries
        • PL
          • PL concepts
            • Oracle-compatible mode
              • Subprograms
              • Stored procedures
              • Functions
              • Triggers
              • Packages
            • MySQL-compatible mode
              • Subprograms
              • Stored procedures
              • Functions
              • Triggers
          • PL subprogram execution mechanism
        • Client programming languages
      • Transaction management
        • Transaction
          • Overview
          • Transaction structure
          • Statement-level atomicity
          • GTS
          • Transaction control
            • Overview
            • Active transactions
            • Savepoint
            • Transaction control statements
              • MySQL transaction control
              • Oracle transaction control
          • Redo logs
          • Local transactions
          • Distributed transaction
            • Overview
            • Two-phase commit
          • XA transactions
        • Transaction concurrency and consistency
          • Overview
          • Multi-version read consistency
          • Concurrency control
            • Overview
            • Lock mechanism
            • Lock wait manager
          • Transaction isolation level
            • Overview
            • Transaction isolation levels in Oracle mode
            • Transaction isolation levels in MySQL mode
          • Weak-consistency read
      • Storage architecture
        • Overview of storage architecture
        • Data storage
          • Overview
          • MemTables
          • SSTables
          • Columnar storage
          • Compression and encoding
        • Compaction
          • Overview
          • Compaction
          • Major compaction
        • Multi-level caching in shared-nothing architecture
        • Multi-level caching in shared storage
        • Query processing
        • Data integrity
          • Detect silent data corruption
      • Data reliability and high availability
        • High availability architecture
          • Overview
          • ODP high availability
          • Leader election in distributed systems
          • Multi-replica log synchronization
          • Paxos protocol
          • Automatic handling of node failures
        • Deployment solutions for disaster recovery
        • Data protection
          • Overview
          • Flashback queries
          • Recycle bin
        • Backup and restore
          • Overview
          • Backup directory structure
          • Backup architecture
          • Restore process
        • Arbitration-based high availability solution
        • Physical Standby Database solution
      • Database security
        • Overview
        • Authentication
        • Access control
        • Data transmission encryption
        • Data storage encryption
        • Monitoring and alerting
        • Security audit
      • OBServer node architecture
        • Structure of the OBServer node installation directory
        • Configuration file
        • observer thread model
          • Threads
          • Worker threads
          • Background threads
        • Logs
        • Memory management
          • Overview
          • Memory-related parameters
          • Memory-related views
          • Memory usage logs
          • Diagnose memory errors
    • System management
      • Configuration management
        • Overview
        • Set parameters
        • Set variables
      • Storage management
        • Minor compaction management
          • Overview
          • Automatically trigger a minor compaction
          • Manually initiate a minor compaction
          • View minor compaction information
          • Modify minor compaction parameters
        • Major compaction management
          • Overview
          • Automatically trigger a major compaction
          • Trigger daily tenant compaction
          • Window compaction
          • Adaptive major compactions
          • Manually trigger a major compaction
          • Manually control a major compaction
          • View the information about major compactions
          • Modify major compaction settings
        • Data compression
          • Overview
          • Data encoding and compression
        • Use the TTL feature
      • Memory management
        • Overview
        • Memory structure
        • Set the maximum memory for an OceanBase database
        • Manage internal system memory
        • Memory management in a tenant
        • Manage the memory of the plan cache
        • Memleak-based regular memory leak diagnostics mechanism
        • Query memory usage information
        • FAQ about memory
      • Process management
        • Overview
        • Multi-tenant threads of OceanBase Database
        • View the thread status
        • Background threads of OceanBase Database
        • FAQ about multi-tenant threads
      • Disk management
        • Configure dynamic expansion of disk data files
        • View the disk space used by a tenant or table
    • Database object management
      • Overview
      • MySQL-compatible mode
        • Create and manage databases
          • Create a database
          • View databases
          • Modify a database
          • Drop a database
        • Create and manage tables
          • Overview
          • Create a table
          • Skip index attribute
          • Define an auto-increment column
          • Define column constraints
          • Query tables
          • Modify a table
          • Change the attribute of a table
          • Empty a table
          • Drop a table
          • Lock a table
          • Create and manage external tables
            • About external tables
            • Create an external table
            • Add partitions for an external table
            • Manage external files
            • Data type mapping
        • Create and manage partitions
          • Overview
          • Create a partitioned table
          • Partition splitting
            • Overview
            • Manual partition splitting
            • Automatic partition splitting
          • Dynamic partitioning
            • Overview of dynamic partitioning
            • Create a dynamic partitioned table
            • Query a dynamic partitioned table
            • Modify a dynamic partitioned table
            • Dynamic partition management tasks
          • Modify partitioning rules
          • Add a partition
          • Delete a partition
          • Truncate partitions
          • Partition pruning
          • Query data in specified partitions
          • Create indexes on partitioned tables
            • Overview
            • Local indexes
            • Global indexes
          • Partition exchange
        • Create and manage table groups
          • Overview
          • Create a table group
          • Query information about a table group
          • Add tables to a table group
          • Modify the SHARDING attribute of a table group
          • Manage tables in a table group
          • Drop a table group
        • Create and manage indexes
          • Overview
          • Create an index
          • Query indexes
          • Monitor indexes
          • Drop an index
          • System functions supported for function-based indexes
          • System functions not supported for function-based indexes
        • Manage views
          • Manage standard views
          • Manage materialized views
            • Overview of materialized views
            • Materialized view logs
            • Automatic management of materialized view logs
            • Create a materialized view
            • Refresh a materialized view
            • Rewrite queries based on materialized views
            • Query materialized views
            • Modify the attributes of a materialized view
            • Drop a materialized view
        • Create and manage sequences
          • Create a sequence
          • Query sequences
          • Reference a sequence
          • Modify a sequence
          • Drop a sequence
        • Create and manage triggers
          • Overview
          • Create a DML trigger
          • Query trigger information
          • Drop a trigger
        • Create and manage DBLinks
          • Create a DBLink
          • Query existing DBLinks
          • Manage DBLinks
          • Use a DBLink to access data in a remote database
          • Drop a DBLink
        • Create and manage catalogs
          • Create a catalog
          • View a catalog
      • Oracle-compatible mode
        • Create and manage tables
          • Overview
          • Create a table
          • Skip index attribute
          • Define column constraints
          • Query the definition of a table
          • Modify a table
          • Change the attribute of a table
          • Empty a table
          • Drop a table
          • Lock a table
          • Create and manage external tables
            • Overview
            • Create an external table
            • Add partitions for an external table
            • Manage external files
            • Data type mapping
        • Create and manage partitions
          • Overview
          • Create a partitioned table
          • Partition splitting
            • Overview
            • Manual partition splitting
            • Automatic subpartition splitting
          • Dynamic partitioning
            • Overview of dynamic partitioning
            • Create a dynamic partitioned table
            • Query a dynamic partitioned table
            • Modify a dynamic partitioned table
            • Dynamic partition management tasks
          • Modify partitioning rules
          • Rename a partition
          • Add a partition
          • Drop partitions
          • Truncate a partition
          • Partition pruning
          • Query data in specified partitions
          • Create indexes on partitioned tables
            • Overview
            • Local indexes
            • Global indexes
          • Partition exchange
        • Create and manage table groups
          • Overview
          • Create a table group
          • Query information about a table group
          • Add tables to a table group
          • Modify the SHARDING attribute of a table group
          • Manage tables in a table group
          • Drop a table group
        • Create and manage indexes
          • Overview
          • Create an index
          • Query indexes
          • Monitor indexes
          • Drop an index
          • System functions supported for function-based indexes
          • System functions not supported for function-based indexes
        • Manage views
          • Manage standard views
          • Manage materialized views
            • Overview
            • Materialized view logs
            • Automatic management of materialized view logs
            • Create a materialized view
            • Refresh materialized views
            • Rewrite queries based on materialized views
            • Query materialized views
            • Modify the attributes of a materialized view
            • Drop a materialized view
        • Manage sequences
        • Manage synonyms
        • Create and manage triggers
          • Overview
          • Create a DML trigger
          • Create an INSTEAD OF trigger
          • Create a composite trigger
          • Modify and drop a trigger
          • Disable or enable a trigger
          • Query trigger information
        • Manage directory objects
        • Create and manage DBLinks
          • Create a DBLink
          • Query existing DBLinks
          • Manage DBLinks
          • Use a DBLink to access data in a remote database
          • Use a DBLink to modify the data in a remote database
          • Drop a DBLink
          • Install and configure OCI
    • Database design specifications and practices
      • Object naming conventions
        • Overview
        • Tenant naming conventions
        • User naming conventions
        • Table naming conventions
        • Field naming conventions
        • Other naming conventions
      • Object structure design specifications
        • Field design
        • Table structure design
        • Partitioned table design
        • Index design
        • Other structural designs
      • Character set specifications
      • Database connection specifications
      • Comments
      • ORM conventions
      • Exception handling
    • SQL reference
      • SQL overview
      • SQL syntax
        • System tenants
          • Overview of management commands
          • ALTER SYSTEM
            • ACTIVATE STANDBY
            • ADD REPLICA
            • ADD RESTORE SOURCE
            • ARCHIVELOG
            • ARBITRATION
            • BOOTSTRAP
            • BACKUP KEY
            • BACKUP
            • BACKUP CLUSTER PARAMETERS
            • BALANCE TASK
            • BALANCE JOB
            • CANCEL BACKUP
            • CANCEL DELETE BACKUP
            • CANCEL MIGRATE UNIT
            • CANCEL REPLICA TASK
            • CANCEL RESTORE
            • CANCEL RECOVER TABLE
            • CANCEL TRANSFER PARTITION
            • CANCEL VALIDATE
            • CLEAR RESTORE SOURCE
            • CREATE LS
            • DELETE BACKUP ALL
            • DELETE BACKUPSET/ARCHIVELOG_PIECE
            • DELETE OBSOLETE BACKUP
            • LOAD MODULE DATA
            • MAJOR and MINOR
            • MIGRATE REPLICA
            • MIGRATE UNIT
            • MODIFY LS
            • MODIFY PAXOS_REPLICA_NUM
            • MODIFY REPLICA
            • NOARCHIVELOG
            • FLUSH PLAN CACHE
            • FLUSH SEQUENCE CACHE
            • FLUSH SS_LOCAL_CACHE
            • FLUSH ss_micro_cache
            • FLASHBACK STANDBY LOG
            • JOB
            • SET LOG_RESTORE_SOURCE
            • PARAMETER
            • RECOVER STANDBY
            • RECOVER STANDBY CANCEL
            • REMOVE REPLICA
            • REFRESH
            • RESTORE
            • RESTORE PREVIEW
            • RECOVER TABLE
            • SET DATA_BACKUP_DEST
            • SERVER
            • SERVICE_NAME
            • SWITCHOVER
            • SET LOG_ARCHIVE_DEST
            • SET LOG_ARCHIVE_DEST_STATE
            • THROTTLE
            • TRANSFER PARTITION
            • TTL
            • VALIDATE
            • WASH MEMORY FRAGMENTATION
            • ZONE
          • ALTER RESOURCE POOL
          • ALTER RESOURCE TENANT
          • ALTER RESOURCE UNIT
          • ALTER TENANT
          • CREATE RESOURCE POOL
          • CREATE RESOURCE UNIT
          • CREATE TENANT
          • CREATE STANDBY TENANT
          • DROP RESOURCE POOL
          • DROP RESOURCE UNIT
          • DROP TENANT
          • SET DECRYPTION
          • SET ENCRYPTION
          • SHOW RESTORE PREVIEW
        • User tenants (MySQL-compatible mode)
          • Basic elements
            • Data types
              • Data types
              • Numeric types
                • Overview of numeric types
                • Integer types
                • Fixed-point types
                • Floating-point types
                • BIT Value
              • Datetime types
                • Overview of datetime types
                • DATE, DATETIME, and TIMESTAMP types
                • TIME type
                • YEAR type
              • String types
                • Overview of string types
                • CHAR and VARCHAR
                • BINARY and VARBINARY
              • Large objects and text types
                • Overview of large objects and text types
                • BLOB type
                • TEXT types
                • STRING type
                • LOB types
              • ENUM type
              • Set types
              • JSON data types
                • Overview of JSON data types
                • Create a JSON value
                • Query and modify JSON values
                • Convert data types to JSON
                • Update JSON data
                • Semi-structured encoding
              • Spatial data types
                • Overview of spatial data types
                • Spatial reference systems (SRS)
                • Create spatial columns
                • Create spatial indexes
                • Spatial data formats
              • Roaring bitmap types
                • Overview of the RoaringBitmap data type
                • Create a roaring bitmap column
              • Array data types
                • Overview of array element types
                • Create an array column
              • Map data types
                • Overview of mapping data types
                • Create a mapped column
            • Expressions
              • Overview of expressions
              • Expression syntax
              • Data type conversion rules
            • Character set and collation
              • Overview
              • Character Sets
              • Character sets
              • Database-level character set and collation
              • Table-level character set and collation
              • Column-level character sets and collations
              • Character set and collation of character expressions
              • Character set and collation for client connections
            • Literals
              • Literals
              • String literals
              • Numeric values
              • Date and time values
              • Bit values
              • Boolean values
              • NULL values
            • Schema object names
            • Annotations
              • Hints
                • Overview
                • Use Query Block Name and QB_NAME Hint to control query optimization
                • Hint list
                  • Global hints
                    • Optimizer Stats Hint under the Global Hint Type
                    • Transform Hint in the Global Hints section
                    • Other hints under the global hint type
                  • Optimizer hints
                    • Access path hints in the Optimized Hint category
                    • Join order hints in the Optimized Hint category
                    • Join operation hints in the Optimized Hint category
                    • Subquery hints under the Optimized Hint category
                    • Group By Hint in the Optimized Hint category
                    • Distinct hint
                    • Set Hint in Optimized Hint Type
                    • Distributed DML hints in the Optimized Hint category
                    • Vector Index Hint in the Optimized Hint category
                  • Transform hints
                    • Stmt Transform Hint
                    • Cost-based transform hints
                    • Heuristics transform hints
                    • Other hints under the Transform Hint type
                  • Outline-related hints
            • User-defined variables
            • Comments
          • Operators
            • Overview
            • Operator precedence
            • Arithmetic operators
            • Bitwise operators
            • Comparison operators
            • Logical operators
            • Assignment operator
            • Date and time operators
            • Character concatenation operators
            • BINARY conversion operators
            • CASE conditional operator
          • Functions
            • Function overview
            • Single-row functions
              • Datetime functions
                • ADDDATE
                • CONVERT_TZ
                • CURDATE
                • CURRENT_DATE
                • CURRENT_TIME
                • CURRENT_TIMESTAMP
                • CURTIME
                • DATE
                • DATE_ADD
                • DATE_FORMAT
                • DATE_SUB
                • DATEDIFF
                • DAYOFMONTH
                • DAYOFWEEK
                • DAYOFYEAR
                • EXTRACT
                • FROM_DAYS
                • FROM_UNIXTIME
                • GET_FORMAT
                • HOUR
                • LAST_DAY
                • LOCALTIME
                • LOCALTIMESTAMP
                • MAKEDATE
                • MAKETIME
                • MICROSECOND
                • MINUTE
                • MONTH
                • MONTHNAME
                • NOW
                • PERIOD_ADD
                • PERIOD_DIFF
                • QUARTER
                • SEC_TO_TIME
                • SECOND
                • STR_TO_DATE
                • SUBDATE
                • SUBTIME
                • SYSDATE
                • TIME
                • TIME_FORMAT
                • TIME_TO_SEC
                • TIME_TO_USEC
                • TIMEDIFF
                • TIMESTAMP
                • TIMESTAMPADD
                • TIMESTAMPDIFF
                • TO_DAYS
                • TO_SECONDS
                • UNIX_TIMESTAMP
                • USEC_TO_TIME
                • UTC_DATE
                • UTC_TIME
                • UTC_TIMESTAMP
                • WEEK
                • WEEKDAY
                • WEEKOFYEAR
                • YEARWEEK
                • YEAR
                • ADDTIME
                • DAYNAME
                • DAY
                • DATE_TRUNC
                • MONTHS_ADD
                • FORMATDATETIME
                • TOUNIXTIMESTAMP
              • String functions
                • ASCII
                • BIN
                • BIT_LENGTH
                • CHAR
                • CHAR_LENGTH
                • CHARACTER_LENGTH
                • CONCAT
                • CONCAT_WS
                • ELT
                • EXPORT_SET
                • FIELD
                • FIND_IN_SET
                • FORMAT
                • HEX
                • INSERT
                • INSTR
                • INT2IP
                • IP2INT
                • KEYVALUE
                • LCASE
                • LEFT
                • LENGTH
                • LOCATE
                • LOWER
                • LPAD
                • LTRIM
                • MAKE_SET
                • MAX_PT
                • MD5_CONCAT_WS
                • MID
                • OCT
                • OCTET_LENGTH
                • ORD
                • POSITION
                • QUOTE
                • REGEXP
                • REGEXP_INSTR
                • REGEXP_LIKE
                • REGEXP_REPLACE
                • REGEXP_SUBSTR
                • REPEAT
                • REPLACE
                • REVERSE
                • RIGHT
                • RLIKE
                • RPAD
                • RTRIM
                • SPACE
                • SPLIT_PART
                • STRCMP
                • SUBSTR
                • SUBSTRING
                • SUBSTRING_INDEX
                • TRIM
                • UCASE
                • UNHEX
                • UPPER
                • URL_DECODE
                • URL_ENCODE
                • WEIGHT_STRING
                • TO_BASE64
                • FROM_BASE64
                • SOUNDEX
                • EDITDISTANCE
              • Conversion functions
                • CAST
                • CONVERT
                • DECODE_TRACE_ID
                • SCN_TO_TIMESTAMP
                • TIMESTAMP_TO_SCN
                • TO_CHAR(character)
                • TO_CHAR(number)
                • TO_CHAR(datetime)
                • TO_DATE
              • Mathematical functions
                • ABS
                • ACOS
                • ASIN
                • ATAN
                • ATAN2
                • BIT_COUNT
                • CEIL
                • CEILING
                • CONV
                • COS
                • COT
                • CRC32
                • DEGREES
                • EXP
                • FLOOR
                • GENERATOR
                • LN
                • LOG
                • LOG10
                • LOG2
                • MOD
                • NEG
                • NORMAL
                • PI
                • POW
                • POWER
                • RADIANS
                • RAND
                • RANDOM
                • RANDSTR
                • ROUND
                • SIGN
                • SIN
                • SQRT
                • TAN
                • TRUNCATE
                • UNIFORM
                • ZIPF
              • Comparison functions
                • GREATEST
                • INTERVAL
                • ISNULL
                • LEAST
              • Process control functions
                • CASE
                • IF
                • IFNULL
                • NULLIF
                • ORA_DECODE
            • Aggregate functions
              • APPROX_COUNT_DISTINCT
              • AVG
              • ARG_MAX
              • ARG_MIN
              • BIT_AND
              • BIT_OR
              • BIT_XOR
              • COUNT
              • GROUP_CONCAT
              • GROUPING
              • MAX
              • MIN
              • STD
              • STDDEV
              • STDDEV_POP
              • STDDEV_SAMP
              • SUM
              • VAR_POP
              • VAR_SAMP
              • VARIANCE
              • ARBITRARY
              • ANY
              • GROUPCONCAT
              • STDDEVSAMP
              • UNIQ
              • VARSAMP
            • Analysis functions
              • APPROX_COUNT_DISTINCT
              • AVG
              • BIT_AND
              • BIT_OR
              • BIT_XOR
              • COUNT
              • CUME_DIST
              • DENSE_RANK
              • FIRST_VALUE
              • LAG
              • LAST_VALUE
              • LEAD
              • MAX
              • MIN
              • NTH_VALUE
              • NTILE
              • PERCENT_RANK
              • PERCENTILE_CONT
              • RANK
              • ROW_NUMBER
              • STD
              • STDDEV
              • STDDEV_POP
              • STDDEV_SAMP
              • SUM
              • VAR_POP
              • VAR_SAMP
              • VARIANCE
              • LAGINFRAME
              • LEADINFRAME
            • Encryption functions
              • AES_DECRYPT
              • AES_ENCRYPT
              • COMPRESS
              • DECODE
              • DES_DECRYPT
              • DES_ENCRYPT
              • ENCODE
              • ENCRYPT
              • ENHANCED_AES_ENCRYPT
              • ENHANCED_AES_DECRYPT
              • MD5
              • PASSWORD
              • UNCOMPRESS
              • UNCOMPRESSED_LENGTH
              • RANDOM_BYTES
              • SHA
              • SHA1
              • SHA2
              • VALIDATE_PASSWORD_STRENGTH
              • SM3
              • SM4_ENCRYPT
              • SM4_DECRYPT
            • Information functions
              • BENCHMARK
              • CHARSET
              • COERCIBILITY
              • COLLATION
              • CONNECTION_ID
              • CURRENT_ROLE
              • CURRENT_USER
              • DATABASE
              • FOUND_ROWS
              • LAST_INSERT_ID
              • LAST_INSERT_ID Behavior Description
              • ICU_VERSION
              • OB_TRANSACTION_ID
              • ROW_COUNT
              • SCHEMA
              • SESSION_USER
              • SYSTEM_USER
              • USER
              • VERSION
              • OB_VERSION
            • JSON functions
              • JSON functions
              • Functions for creating JSON text
                • JSON_ARRAY
                • JSON_OBJECT
                • JSON_QUOTE
              • Functions for searching JSON text
                • JSON_CONTAINS
                • JSON_CONTAINS_PATH
                • JSON_EXTRACT
                • JSON_KEYS
                • JSON_OVERLAPS
                • JSON_SEARCH
                • JSON_VALUE
                • MEMBER OF
              • Functions for modifying JSON text
                • JSON_ARRAY_APPEND
                • JSON_APPEND
                • JSON_ARRAY_INSERT
                • JSON_INSERT
                • JSON_MERGE
                • JSON_MERGE_PATCH
                • JSON_MERGE_PRESERVE
                • JSON_REMOVE
                • JSON_REPLACE
                • JSON_SET
                • JSON_UNQUOTE
              • Functions for returning JSON text properties
                • JSON_DEPTH
                • JSON_LENGTH
                • JSON_TYPE
                • JSON_VALID
              • JSON_TABLE function
              • JSON utility functions
                • JSON_PRETTY
                • JSON_STORAGE_SIZE
              • JSON aggregate functions
                • JSON_ARRAYAGG
                • JSON_OBJECTAGG
              • JSON schema validation functions
                • JSON_SCHEMA_VALID
                • JSON_SCHEMA_VALIDATION_REPORT
            • XML functions
              • Overview of XML functions
              • Functions for querying XML data
                • EXTRACTVALUE
              • Functions for modifying XML data
                • UPDATEXML
            • Table functions
              • Overview of TABLE FUNCTIONS
              • FILES table function
            • Spatial functions
              • Overview of spatial functions
              • Create a geometry value function
              • Spatial operation functions
              • Spatial relationship functions
              • Geometry attribute functions
              • Geometry format conversion functions
              • Spatial analysis functions
              • Spatial constructor functions
              • Spatial accessor functions
              • Spatial format conversion functions
              • Spatial processing functions
              • _ST_GeoHash
            • Performance schema functions
              • FORMAT_BYTES
              • FORMAT_PICO_TIME
            • Lock functions
              • Overview of lock functions
              • GET_LOCK
              • IS_FREE_LOCK
              • IS_USED_LOCK
              • RELEASE_ALL_LOCKS()
              • RELEASE_LOCK
            • Bitmap functions
              • Overview
              • RoaringBitmap constructor
              • Bitmap cardinality calculation functions
              • Bitmap operation functions
              • Bitmap decision functions
              • Bitmap output functions
              • Bitmap aggregate functions
            • Array functions
              • Overview of array functions
              • Array constructor functions
              • Array decision functions
              • Array output functions
              • Array functions
            • Text processing functions
              • TOKENIZE
            • Audit functions
              • Overview
              • AUDIT_LOG_FILTER_REMOVE_FILTER
              • AUDIT_LOG_FILTER_REMOVE_USER
              • AUDIT_LOG_FILTER_SET_FILTER
              • AUDIT_LOG_FILTER_SET_USER
            • Map functions
              • Overview of mapping functions
              • Map constructors and operators
              • Map decision functions
              • Map operation functions
            • Other functions
              • ANY_VALUE
              • BIN_TO_UUID
              • COALESCE
              • DEFAULT
              • NAME_CONST
              • INET_ATON
              • INET_NTOA
              • INET6_ATON
              • INET6_NTOA
              • IS_IPV4
              • IS_IPV4_COMPAT
              • IS_IPV6
              • IS_UUID
              • MATCH AGAINST
              • NVL
              • UUID_TO_BIN
              • SLEEP
              • UUID
              • UUID_SHORT
              • VALUES
              • ISNAN
          • Queries and subqueries
            • Overview
            • Subqueries
            • Join
            • Full-text search
          • SQL statements
            • General syntax
            • Common table expressions
            • ALTER COMPILE
            • ALTER DATABASE
            • ALTER LOCATION
            • ALTER MATERIALIZED VIEW
            • ALTER MATERIALIZED VIEW LOG
            • ALTER EXTERNAL TABLE
            • ALTER OUTLINE
            • ALTER SENSITIVE RULE
            • ALTER SEQUENCE
            • ALTER/CHANGE/MODIFY EXTERNAL_STORAGE_DEST
            • ALTER SYSTEM FLUSH SEQUENCE CACHE
            • MAJOR and MINOR
            • STORAGE_CACHE_POLICY_EXECUTOR
            • VALIDATE
            • ALTER TABLE
            • ALTER TABLEGROUP
            • ALTER TABLESPACE
            • ALTER USER
            • ALTER VIEW
            • ALTER INSTANCE ROTATE INNODB MASTER KEY
            • ALTER EVENT
            • ANALYZE
            • CACHE INDEX
            • CREATE CONCURRENT_LIMITING_RULE
            • CREATE DATABASE LINK
            • CREATE DATABASE
            • CREATE EXTERNAL CATALOG
            • CREATE EXTERNAL TABLE
            • CREATE INDEX
            • CREATE LOCATION
            • CREATE MATERIALIZED VIEW
            • CREATE MATERIALIZED VIEW LOG
            • CREATE OUTLINE
            • CREATE FORMAT OUTLINE
            • CREATE RESTORE POINT
            • CREATE ROLE
            • CREATE SENSITIVE RULE
            • CREATE SEQUENCE
            • CREATE TABLE
            • CREATE TABLEGROUP
            • CREATE TABLESPACE
            • CREATE USER
            • CREATE VIEW
            • CHECKSUM TABLE
            • CREATE EVENT
            • DEALLOCATE PREPARE
            • DROP DATABASE LINK
            • DELETE
            • DESCRIBE
            • DROP CATALOG
            • DROP CONCURRENT_LIMITING_RULE
            • DROP DATABASE
            • DROP EVENT
            • DROP INDEX
            • DROP LOCATION
            • DROP MATERIALIZED VIEW
            • DROP MATERIALIZED VIEW LOG
            • DROP OUTLINE
            • DROP ROLE
            • DROP SENSITIVE RULE
            • DROP TABLE
            • DROP TABLEGROUP
            • DROP TABLESPACE
            • DROP SEQUENCE
            • DROP USER
            • DROP VIEW
            • DROP RESTORE POINT
            • EXECUTE
            • EXPLAIN
            • FLASHBACK
            • FLUSH TABLE
            • GRANT
            • HELP
            • INSERT
            • KILL
            • LOAD DATA
            • LOAD_FILE
            • LOAD INDEX INTO CACHE
            • LOCK TABLES
            • OPTIMIZE
            • PREPARE
            • PURGE
            • PURGE RECYCLEBIN
            • RENAME USER
            • RENAME TABLE
            • REPLACE
            • REPAIR TABLE
            • REMOVE
            • REVOKE
            • SAVEPOINT
            • SCHEMA
            • SELECT INTO
            • SELECT
              • SELECT
              • JOIN clause
              • WINDOW clause
              • UNION clause
              • HYBRID_SEARCH
            • SET DEFAULT ROLE
            • SET
            • SET CATALOG
            • SET CHARSET
            • SET NAMES
            • SET PASSWORD
            • SET ROLE
            • SET TRANSACTION
            • SHOW
            • SUBMIT JOB
            • SHOW JOB STATUS
            • CANCEL JOB
            • TRANSACTION
            • TRUNCATE TABLE
            • UNLOCK TABLES
            • UPDATE
            • USE
            • VALUES
            • XA transaction
          • DDL feature
            • Overview of DDL operations
            • Online DDL and offline DDL operations
            • Index operations
            • Primary key operations
            • Column operations
            • Generated column operations
            • Foreign key operations
            • Table operations
            • Partition operations
            • Column type change rules
            • NUMBER type conversion rules
          • Pseudo columns
            • Overview
            • PARTITIONID pseudo column
        • User tenants (Oracle-compatible mode)
          • Pseudo columns
            • Overview
            • Hierarchical query pseudo-columns
            • Sequence pseudo-column
            • ORA_ROWSCN pseudo-column
            • ROWNUM pseudo-column
            • ROWID pseudo-column
            • PARTITIONID pseudo column
          • Basic elements
            • Built-in data types
              • Overview of built-in data types
              • Character data types
                • Overview of character data types
                • CHAR data type
                • NCHAR data type
                • NVARCHAR2 data type
                • VARCHAR2 data type
                • VARCHAR data type
              • Numeric data types
                • Overview of numeric data types
                • NUMBER data type
                • FLOAT data type
                • Floating-point numbers
                • Numeric type priorities
              • Datetime and interval data types
                • Overview of datetime and interval data types
                • DATE data type
                • TIMESTAMP data type
                • TIMESTAMP WITH TIME ZONE data type
                • TIMESTAMP WITH LOCAL TIME ZONE data type
                • INTERVAL YEAR TO MONTH data type
                • INTERVAL DAY TO SECOND data type
                • Calculation of DATE and INTERVAL values
              • RAW data type
              • Large object data types
                • Overview of large object data types
                • BLOB data type
                • CLOB data type
                • LOB types
              • Rowid data type
              • User-defined data types
              • Any types
              • JSON data types
                • Overview of JSON data types
                • Create a column of the JSON data type
                • Query JSON data
                • Conversion rules for JSON data type
              • XML data types
                • Overview of the XMLType data type
                • XML data definition
                • Create a column of the XMLType data type
                • Query XMLType data
                • Conversion of the XMLType data type
              • Spatial data types
                • Overview of spatial data types
                • Create spatial columns
                • Access SDO_GEOMETRY properties
                • Create spatial indexes
            • Data type comparison rules
              • Overview of data type comparison rules
              • Comparison rules of numeric values
              • Date value comparison rules
              • Character value comparison rules
              • Data type priority
              • Data type conversion rules
              • Security considerations for data conversion in Oracle mode
            • Literals
              • Literals
              • Text literals
              • Numeric literals
              • Datetime literals
                • DATE literals
                • TIMESTAMP literals
              • INTERVAL literals
            • Format model
              • Formatting models
              • Number format models
              • Datetime format model
              • RR date-time format element
              • Conversion rules from string to date
            • NULL value
              • Overview of empty values
              • Null values in SQL functions
              • NULL values in comparison conditions
              • NULL values in conditional expressions
            • Annotations
              • Overview
              • Comments on SQL statements
              • Comment on schema and nonschema objects
              • Hints
                • Overview of hints
                • Control query optimization by using Query Block Name and QB_NAME Hint
                • Hint list
                  • Global hints
                    • Optimizer Stats Hint under Global Hints
                    • Transform Hint in Global Hints
                    • Other hints under the global hint type
                  • Optimized hints
                    • Access path hints in the Optimized Hint category
                    • Join Order Hints
                    • Join operation hints in the Optimized Hint category
                    • Subquery hints under the Optimized Hint category
                    • Group By Hint in the Optimized Hint category
                    • DISTINCT hint
                    • Set Hint
                    • Distributed DML hint in the Optimized Hint category
                  • Transform hints
                    • Stmt Transform Hint in the Transform Hint Type
                    • Cost based transform hints
                    • Heuristics transform hints
                    • Other TRANSFORM Hint
                  • Outline-related hints
            • Database objects
              • Schema objects
              • Non-schema objects
            • Database naming conventions
              • Overview of database object naming conventions
              • Schema object naming recommendations
            • Database object reference methods
              • Overview of database object references
              • Reference schema objects
              • Reference objects in a remote database
                • Create a database link
                • Database links
              • Reference partitioned tables and indexes
              • Reference attributes and methods of object types
            • Character sets and collations
          • Operators
            • Overview of operators
            • Operator precedence
            • Arithmetic operators
            • Concatenation operators
            • Hierarchical query operators
            • Set operators
            • COLLATE operator
          • Functions
            • Function overview
            • Single-row functions
              • Numeric functions
                • ABS
                • ACOS
                • ASIN
                • ATAN
                • ATAN2
                • BITAND
                • CEIL
                • COS
                • COSH
                • EXP
                • FLOOR
                • GENERATOR
                • LN
                • LOG
                • MOD
                • NANVL
                • NORMAL
                • POWER
                • REMAINDER
                • ROUND
                • RANDOM
                • RANDSTR
                • SIGN
                • SIN
                • SINH
                • SQRT
                • TAN
                • TANH
                • TRUNC
                • UNIFORM
                • WIDTH_BUCKET
                • ZIPF
              • String functions that return a string
                • CHR
                • CONCAT
                • INITCAP
                • LOWER
                • LPAD
                • LTRIM
                • MAX_PT
                • NLS_LOWER
                • NLSSORT
                • NLS_UPPER
                • REGEXP_REPLACE
                • REGEXP_SUBSTR
                • REPLACE
                • RPAD
                • RTRIM
                • SUBSTR
                • TRANSLATE
                • TRANSLATE ... USING
                • TRIM
                • UPPER
              • String functions that return numbers
                • ASCII
                • INSTR
                • LENGTH
                • REGEXP_COUNT
                • REGEXP_INSTR
              • Datetime functions
                • ADD_MONTHS
                • CURRENT_DATE
                • CURRENT_TIMESTAMP
                • DBTIMEZONE
                • EXTRACT (datetime)
                • FROM_TZ
                • LAST_DAY
                • LOCALTIMESTAMP
                • MONTHS_BETWEEN
                • NEXT_DAY
                • NUMTODSINTERVAL
                • NUMTOYMINTERVAL
                • ROUND (date)
                • SESSIONTIMEZONE
                • SYS_EXTRACT_UTC
                • SYSDATE
                • SYSTIMESTAMP
                • TO_CHAR (datetime)
                • TO_DSINTERVAL
                • TO_TIMESTAMP
                • TO_TIMESTAMP_TZ
                • TO_YMINTERVAL
                • TRUNC (date)
                • TZ_OFFSET
              • Generic comparison functions
                • GREATEST
                • LEAST
              • Conversion functions
                • ASCIISTR
                • CAST
                • CHARTOROWID
                • CONVERT
                • HEXTORAW
                • NUMTODSINTERVAL
                • NUMTOYMINTERVAL
                • RAWTOHEX
                • ROWIDTOCHAR
                • ROWIDTONCHAR
                • SCN_TO_TIMESTAMP
                • TIMESTAMP_TO_SCN
                • TO_BINARY_DOUBLE
                • TO_BINARY_FLOAT
                • TO_BLOB
                • TO_CHAR (character)
                • TO_CHAR (datetime)
                • TO_CHAR (number)
                • TO_CLOB
                • TO_DATE
                • TO_DSINTERVAL
                • TO_MULTI_BYTE
                • TO_NUMBER
                • TO_NCHAR (character)
                • TO_NCHAR (datetime)
                • TO_NCHAR (number)
                • TO_SINGLE_BYTE
                • TO_TIMESTAMP
                • TO_TIMESTAMP_TZ
                • TO_YMINTERVAL
                • UNISTR
              • Encoding and decoding functions
                • DECODE
                • DUMP
                • ORA_HASH
                • VSIZE
              • Null value related functions
                • COALESCE
                • LNNVL
                • NANVL
                • NULLIF
                • NVL
                • NVL2
              • Environment and identifier functions
                • SYS_CONTEXT
                • SYS_GUID
                • UID
                • USER
                • USERENV
                • OB_VERSION
              • Hierarchical functions
                • SYS_CONNECT_BY_PATH
              • JSON functions
                • JSON functions
                • Create JSON text functions
                  • JSON_ARRAY
                  • JSON_OBJECT
                  • JSON_ARRAYAGG
                  • JSON_OBJECTAGG
                • Query JSON text functions
                  • JSON_VALUE
                  • JSON_QUERY
                  • JSON_EXISTS
                  • JSON_TABLE
                • Validate JSON text functions
                  • JSON_EQUAL
                • Modify JSON text functions
                  • JSON_MERGEPATCH
              • XML functions
                • Overview of XML functions
                • Construct XMLType data functions
                  • XMLAGG
                  • XMLATTRIBUTES
                  • XMLELEMENT
                  • XMLPARSE
                  • XMLCONCAT
                  • XMLFOREST
                • Query XMLType data functions
                  • EXTRACT
                  • EXTRACTVALUE
                  • XMLSERIALIZE
                  • XMLCAST
                  • XMLTABLE
                  • XMLSEQUENCE
                  • EXISTSNODE
                • Modify XMLType data functions
                  • UPDATEXML
                  • INSERTCHILDXML
                  • DELETEXML
              • Spatial functions
                • Spatial functions
                • Constructor functions
                • SDO_GEOMETRY query functions
                • Format conversion functions
            • Aggregate functions
              • APPROX_COUNT_DISTINCT
              • AVG
              • CORR
              • COUNT
              • COVAR_POP
              • COVAR_SAMP
              • CUME_DIST
              • DENSE_RANK
              • GROUPING
              • KEEP
              • LISTAGG
              • MAX
              • MEDIAN
              • MIN
              • PERCENT_RANK
              • PERCENTILE_CONT
              • PERCENTILE_DISC
              • RANK
              • REGR_ (Linear Regression)
              • ROLLUP
              • STDDEV
              • STDDEV_POP
              • STDDEV_SAMP
              • SUM
              • VAR_POP
              • VAR_SAMP
              • VARIANCE
              • WMSYS.WM_CONCAT/WM_CONCAT
              • GROUP_ID
              • GROUPING_ID
            • Analysis functions
              • Analytic function description
              • AVG
              • ARG_MIN
              • ARG_MAX
              • CORR
              • COUNT
              • COVAR_POP
              • COVAR_SAMP
              • CUME_DIST
              • DENSE_RANK
              • FIRST_VALUE
              • KEEP
              • LAG
              • LAST_VALUE
              • LEAD
              • LISTAGG
              • MAX
              • MEDIAN
              • MIN
              • NTILE
              • NTH_VALUE
              • PERCENT_RANK
              • PERCENTILE_CONT
              • PERCENTILE_DISC
              • RANK
              • RATIO_TO_REPORT
              • REGR_ (Linear Regression)
              • ROW_NUMBER
              • STDDEV
              • STDDEV_POP
              • STDDEV_SAMP
              • SUM
              • VAR_POP
              • VAR_SAMP
              • VARIANCE
              • WMSYS.WM_CONCAT/WM_CONCAT
            • Information functions
              • OB_TRANSACTION_ID
            • Table functions
              • Overview of TABLE FUNCTIONS
              • FILES table function
          • Expressions
            • Overview
            • Simple expressions
            • Compound expressions
            • Conditional expressions
            • Column expressions
            • CURSOR Expressions
            • Datetime expressions
            • Function expressions
            • Interval expressions
            • Scalar Subquery Expression
            • Type constructor expressions
            • Expression list
          • Conditions
            • Overview of SQL conditions
            • Condition priority
            • Comparison conditions
            • Floating-point conditions
            • Logical conditions
            • Pattern-matching conditions
            • Null conditions
            • Compound conditions
            • BETWEEN condition
            • EXISTS condition
            • IN condition
          • Queries and subqueries
            • Overview of queries and subqueries
            • Simple query
            • Hierarchical queries
            • Composite queries
            • Join queries
            • Subqueries
            • Lateral derived tables
            • Query the DUAL table
          • SQL statements
            • DDL
              • ALTER EXTERNAL TABLE
              • ALTER INDEX
              • ALTER KEYSTORE
              • ALTER LOCATION
              • ALTER MATERIALIZED VIEW
              • ALTER MATERIALIZED VIEW LOG
              • ALTER OUTLINE
              • ALTER PROFILE
              • ALTER ROLE
              • ALTER SENSITIVE RULE
              • ALTER SEQUENCE
              • ALTER SESSION
              • ALTER SYSTEM FLUSH
              • ALTER SYSTEM FLUSH CACHE
              • ALTER/CHANGE/MODIFY EXTERNAL_STORAGE_DEST
              • ALTER SYSTEM FLUSH SEQUENCE CACHE
              • ALTER SYSTEM SET PARAMETER
              • VALIDATE
              • ALTER TABLE
              • ALTER TABLEGROUP
              • ALTER TABLESPACE
              • ALTER USER
              • COMMENT
              • CREATE CONTEXT
              • CREATE CONCURRENT_LIMITING_RULE
              • CREATE DIRECTORY
              • CREATE DATABASE LINK
              • CREATE EXTERNAL TABLE
              • CREATE INDEX
              • CREATE KEYSTORE
              • CREATE LOCATION
              • CREATE MATERIALIZED VIEW
              • CREATE MATERIALIZED VIEW LOG
              • CREATE OUTLINE
              • CREATE PROFILE
              • CREATE FORMAT OUTLINE
              • CREATE ROLE
              • CREATE SENSITIVE RULE
              • CREATE SEQUENCE
              • CREATE SYNONYM
              • CREATE TABLE
              • CREATE TABLEGROUP
              • CREATE TABLESPACE
              • CREATE USER
              • CREATE VIEW
              • DROP CONTEXT
              • DROP CONCURRENT_LIMITING_RULE
              • DROP DATABASE LINK
              • DROP DIRECTORY
              • DROP INDEX
              • DROP LOCATION
              • DROP MATERIALIZED VIEW
              • DROP MATERIALIZED VIEW LOG
              • DROP OUTLINE
              • DROP PROFILE
              • DROP ROLE
              • DROP SENSITIVE RULE
              • DROP SEQUENCE
              • DROP SYNONYM
              • DROP TABLE
              • DROP TABLEGROUP
              • DROP TABLESPACE
              • DROP USER
              • DROP VIEW
              • RENAME
              • TRUNCATE TABLE
              • MAJOR and MINOR
            • DML
              • DELETE
              • INSERT
              • MERGE
              • PURGE
              • EXPLAIN
              • SELECT
                • SIMPLE SELECT
                • Collection SELECT
                • WITH CLAUSE
                • JOIN clause
                • APPLY clause
              • UPDATE
            • DCL
              • ANALYZE
              • ALTER SYSTEM KILL SESSION
              • AUDIT
              • COMMIT
              • FLASHBACK TABLE BEFORE DROP
              • GRANT
              • KILL
              • LOAD DATA
              • LOCK TABLE
              • REMOVE
              • REVOKE
              • ROLLBACK
              • SAVEPOINT
              • SELECT INTO
              • SET NAMES
              • SET PASSWORD
              • SET ROLE
              • SET VARIABLE
              • SHOW
              • SHRINK
              • TRANSACTION
          • DDL feature
            • Overview of DDL operations
            • Online and offline DDL operations
            • Index operations
            • Primary key operations
            • Column operations
            • Operations on generated columns
            • Foreign key operations
            • Table operations
            • Partition operations
            • Column type change rules
            • NUMBER type conversion rules
      • SQL specifications and practices
        • SQL writing restrictions
        • SQL writing specifications
          • SELECT statement writing specification
          • DML statement writing specifications
          • DDL statement writing specifications
          • Multi-table association specification
          • Table scanning mode specification
          • Transaction-related specifications
          • Cache usage specifications
          • Guidelines for using hints
          • Other specifications
        • SQL statement examples
          • Implicit type conversion
          • JOIN table usage suggestions
          • Weak-consistency read
          • Pagination
      • Reserved keywords (MySQL mode)
      • Reserved keywords (Oracle mode)
      • Data type conversion behavior of a MySQL tenant in strict mode
    • PL reference
      • What is PL
        • PL overview
        • Main features of PL
        • PL architecture
      • PL reference (MySQL-compatible mode)
        • PL syntax
        • PL stored procedures
          • Overview of PL stored programs
          • Variables in stored programs
          • Stored procedures
          • Manage stored routines and privileges
          • Stored functions
          • External storage functions
          • Triggers
          • EVENT
          • Stored program usage restrictions
          • SQL Transpiler
          • PL asynchronous commit optimization
        • PL cursors
          • Overview
          • Cursor execution process
          • Server-side cursor usage limits
        • PL conditional control statements
          • CASE
          • IF
          • ITERATE
          • LEAVE
          • LOOP
          • REPEAT
          • RETURN
          • WHILE
        • PL data manipulation statements
          • CALL
          • DO
        • PL data definition statements
          • ALTER FUNCTION
          • ALTER PROCEDURE
          • CREATE FUNCTION
          • CREATE PROCEDURE
          • CREATE TRIGGER
          • DROP FUNCTION
          • DROP PROCEDURE
          • DROP TRIGGER
        • PL database management statements
          • SHOW CREATE FUNCTION
          • SHOW CREATE PROCEDURE
          • SHOW CREATE TRIGGER
          • SHOW FUNCTION STATUS
          • SHOW PROCEDURE STATUS
          • SHOW TRIGGERS
        • PL related dictionary views
          • INFORMATION_SCHEMA PARAMETERS
          • INFORMATION_SCHEMA ROUTINES
          • INFORMATION_SCHEMA TRIGGERS
        • PL exception handling
          • Overview
          • DECLARE ... CONDITION
          • DECLARE ... HANDLER
          • GET DIAGNOSTICS
          • RESIGNAL
          • SIGNAL
          • Scope of procedures
          • Diagnostics area
          • Exception handling and OUT/INOUT parameters
          • Limitations on exception handling
        • PL system packages
          • Oracle Database System Packages Overview
          • DBMS_AI_SERVICE
            • Overview of DBMS_AI_SERVICE
            • CREATE_AI_MODEL
            • DROP_AI_MODEL
            • CREATE_AI_MODEL_ENDPOINT
            • ALTER_AI_MODEL_ENDPOINT
            • DROP_AI_MODEL_ENDPOINT
          • DBMS_DAILY_MAINTENANCE
            • Overview
            • TRIGGER_WINDOW_COMPACTION_PROC
            • SET_THREAD_COUNT
          • DBMS_HYBRID_SEARCH
            • Overview of DBMS_HYBRID_SEARCH
            • SEARCH
            • GET_SQL
          • DBMS_MVIEW
            • Overview of DBMS_MVIEW
            • PURGE_LOG
            • REFRESH
          • DBMS_MVIEW_STATS
            • Overview of DBMS_MVIEW_STATS
            • PURGE_REFRESH_STATS
            • SET_MVREF_STATS_PARAMS
            • SET_SYSTEM_DEFAULT
          • DBMS_PARTITION
            • Overview
            • MANAGE_DYNAMIC_PARTITION
          • DBMS_RESOURCE_MANAGER
            • Overview
            • CREATE_CONSUMER_GROUP
            • CREATE_PLAN
            • CREATE_PLAN_DIRECTIVE
            • COPY_PLAN
            • DELETE_CONSUMER_GROUP
            • DELETE_PLAN
            • DELETE_PLAN_DIRECTIVE
            • System Packages
            • UPDATE_PLAN_DIRECTIVE
          • DBMS_STATS
            • Overview of DBMS_STATS
            • ALTER_STATS_HISTORY_RETENTION
            • CREATE_STAT_TABLE
            • DELETE_COLUMN_STATS
            • DELETE_INDEX_STATS
            • DELETE_TABLE_STATS
            • DELETE_SCHEMA_STATS
            • DELETE_SCHEMA_PREFS
            • DELETE_SYSTEM_STATS
            • DELETE_TABLE_PREFS
            • DROP_STAT_TABLE
            • EXPORT_COLUMN_STATS
            • EXPORT_INDEX_STATS
            • EXPORT_TABLE_STATS
            • EXPORT_SCHEMA_STATS
            • FLUSH_DATABASE_MONITORING_INFO
            • GATHER_INDEX_STATS
            • GATHER_TABLE_STATS
            • GATHER_SCHEMA_STATS
            • GATHER_SYSTEM_STATS
            • GET_STATS_HISTORY_AVAILABILITY
            • GET_STATS_HISTORY_RETENTION
            • GET_PARAM
            • GET_PREFS
            • IMPORT_INDEX_STATS
            • IMPORT_COLUMN_STATS
            • IMPORT_TABLE_STATS
            • IMPORT_SCHEMA_STATS
            • LOCK_PARTITION_STATS
            • LOCK_SCHEMA_STATS
            • LOCK_TABLE_STATS
            • RESTORE_TABLE_STATS
            • RESTORE_SCHEMA_STATS
            • RESET_GLOBAL_PREF_DEFAULTS
            • RESET_PARAM_DEFAULTS
            • PURGE_STATS
            • SET_COLUMN_STATS
            • SET_INDEX_STATS
            • SET_TABLE_STATS
            • SET_GLOBAL_PREFS
            • SET_PARAM
            • SET_SCHEMA_PREFS
            • SET_SYSTEM_STATS
            • SET_TABLE_PREFS
            • UNLOCK_PARTITION_STATS
            • UNLOCK_SCHEMA_STATS
            • UNLOCK_TABLE_STATS
            • CANCEL_GATHER_STATS
            • COPY_TABLE_STATS
          • DBMS_TRUSTED_CERTIFICATE_MANAGER
            • Overview
            • ADD_TRUSTED_CERTIFICATE
            • DELETE_TRUSTED_CERTIFICATE
            • UPDATE_TRUSTED_CERTIFICATE
          • DBMS_UDR
            • Overview
            • CREATE_RULE
            • DISABLE_RULE
            • ENABLE_RULE
            • REMOVE_RULE
          • DBMS_VECTOR
            • Overview of DBMS_VECTOR
            • REFRESH_INDEX
            • REBUILD_INDEX
            • INDEX_VECTOR_MEMORY_ESTIMATE
            • INDEX_VECTOR_MEMORY_ADVISOR
            • FLUSH_INDEX
            • COMPACT_INDEX
          • DBMS_WORKLOAD_REPOSITORY
            • Overview
            • ASH_REPORT
            • CREATE_SNAPSHOT
            • DROP_SNAPSHOT_RANGE
            • MODIFY_SNAPSHOT_SETTINGS
          • DBMS_XPLAN
            • Overview
            • DISPLAY_ACTIVE_SESSION_PLAN
            • DISPLAY_CURSOR
            • DISPLAY
            • DISABLE_OPT_TRACE
            • DISPLAY_SQL_PLAN_BASELINE
            • ENABLE_OPT_TRACE
            • SET_OPT_TRACE_PARAMETER
          • DBMS_XPROFILE
            • Overview of DBMS_XPROFILE
            • DISPLAY_PROFILE
          • DBMS_BALANCE
            • Overview
            • SET_BALANCE_WEIGHT
            • CLEAR_BALANCE_WEIGHT
            • TRIGGER_PARTITION_BALANCE
            • SET_TABLEGROUP_BALANCE_WEIGHT
            • CLEAR_TABLEGROUP_BALANCE_WEIGHT
          • DBMS_LIMIT_CALCULATOR
            • Overview
            • CALCULATE_MIN_PHY_RES_NEEDED_BY_UNIT
            • CALCULATE_MIN_PHY_RES_NEEDED_BY_LOGIC_RES
            • CALCULATE_MIN_PHY_RES_NEEDED_BY_STANDBY_TENANT
          • DBMS_EXTERNAL_TABLE
            • Overview of DBMS_EXTERNAL_TABLE
            • AUTO_REFRESH_EXTERNAL_TABLE
          • DBMS_JAVA
            • Overview of DBMS_JAVA
            • LOADJAVA
            • DROPJAVA
          • DBMS_PYTHON
            • Overview
            • DROPPYTHON
            • LOADPYTHON
          • DBMS_DATA_DICT
            • DBMS_DATA_DICT
        • PL reserved and non-reserved keywords
      • PL reference (Oracle-compatible mode)
        • PL language basics
          • Character sets
          • Lexical elements
          • Syntax
          • Reference identifiers
          • Identifier scope and visibility
          • Assignment
          • Expressions
          • PL blocks
          • Subprograms
          • Error reporting functions
        • PL data types
          • Overview
          • SQL data types
          • Large object data types
          • Boolean data type
          • User-defined subtypes
          • PLS_INTEGER and BINARY_INTEGER
          • Arrays
          • PL JSON data types
        • PL process control
          • Overview
          • Conditional control
          • Loop control
          • Sequence control
        • PL collections and records
          • Overview
          • Collections
          • Associative arrays
          • Varrays
          • Nested tables
          • Collection constructors
          • Collection methods
            • Overview
            • DELETE method
            • TRIM method
            • EXTEND method
            • EXISTS method
            • FIRST and LAST methods
            • COUNT method
            • LIMIT method
            • PRIOR and NEXT methods
          • Records
          • Insert and update tables with records
          • Create and invoke subprograms with record-type parameters
        • PL static SQL
          • Overview
          • Cursors
            • Cursor overview
            • Cursor attributes
            • Implicit cursors
            • Explicit cursor
            • Cursor variables
            • Use FOR loops to traverse cursors
            • Modify and delete cursors
          • Transaction processing and control
          • Autonomous transactions
            • Overview
            • Control autonomous transactions
            • Autonomous triggers
            • Call autonomous functions from SQL
          • FORALL and BULK COLLECT
        • PL dynamic SQL
          • Overview
          • Execute dynamic SQL statements
          • DBMS_SQL system package
        • PL stored procedures and functions
          • Overview
          • Create a stored procedure
          • Create a function
          • Manage stored procedures and functions
          • Grant privileges
          • Pipeline functions
            • Overview of pipelined table functions
            • Create a pipeline function
            • Related applications
          • SQL Transpiler
          • User-defined functions
            • Overview
            • User-defined aggregate functions
            • Create a user-defined aggregate function
            • Use user-defined aggregate functions
          • Information collection for stored procedures and parallel execution of SQL statements
          • PL Database Link
          • PL asynchronous commit optimization
        • PL triggers
          • Overview
          • Create a DML trigger
          • Modify and drop triggers
          • Disable and enable a trigger
          • View trigger information
          • INSTEAD OF DML triggers
          • Composite DML triggers
          • System triggers
        • PL packages
          • Overview
          • Create a package
          • Overloaded programs in a package
          • Manage packages
          • Definition of the STANDARD package for PL
        • PL exception handling
          • Overview
          • Compile-Time Warnings
          • Exception types
          • Exception handling order
        • DDL operations on stored PL units
          • Overview
          • ALTER FUNCTION
          • ALTER PACKAGE
          • ALTER PROCEDURE
          • ALTER TRIGGER
          • ALTER TYPE
          • CREATE FUNCTION
          • CREATE PACKAGE
          • CREATE PACKAGE BODY
          • CREATE PROCEDURE
          • CREATE TRIGGER
          • CREATE TYPE
          • CREATE TYPE BODY
          • DROP FUNCTION
          • DROP PACKAGE
          • DROP PROCEDURE
          • DROP TRIGGER
          • DROP TYPE
          • DROP TYPE BODY
        • PL label security package
          • Overview of the PL Label Security package
          • SA_SYSDBA policy management package
            • Overview
            • SA_SYSDBA.ALTER_POLICY
            • SA_SYSDBA.CREATE_POLICY
            • SA_SYSDBA.DROP_POLICY
          • SA_COMPONENTS label component package
            • Overview of the SA_COMPONENTS package
            • SA_COMPONENTS.ALTER_LEVEL
            • SA_COMPONENTS.CREATE_LEVEL
            • SA_COMPONENTS.DROP_LEVEL
          • SA_LABEL_ADMIN label management package
            • Overview
            • SA_LABEL_ADMIN.ALTER_LABEL
            • SA_LABEL_ADMIN.CREATE_LABEL
            • SA_LABEL_ADMIN.DROP_LABEL
          • SA_POLICY_ADMIN policy management package
            • Overview
            • SA_POLICY_ADMIN.APPLY_TABLE_POLICY
            • SA_POLICY_ADMIN.DISABLE_TABLE_POLICY
            • SA_POLICY_ADMIN.ENABLE_TABLE_POLICY
            • SA_POLICY_ADMIN.REMOVE_TABLE_POLICY
          • SA_USER_ADMIN user label management package
            • Overview
            • SA_USER_ADMIN.SET_LEVELS
          • SA_SESSION session management package
            • Overview of SA_SESSION
            • SA_SESSION.LABEL
            • SA_SESSION.RESTORE_DEFAULT_LABELS
            • SA_SESSION.ROW_LABEL
            • SA_SESSION.SET_LABEL
            • SA_SESSION.SET_ROW_LABEL
        • PL system package (Oracle-compatible mode)
          • Overview
          • DBMS_APPLICATION_INFO
            • Overview
            • READ_CLIENT_INFO
            • READ_MODULE
            • SET_ACTION
            • SET_CLIENT_INFO
            • SET_MODULE
          • DBMS_AUDIT_MGMT
            • Overview of DBMS_AUDIT_MGMT
            • CLEAN_AUDIT_TRAIL
            • CREATE_PURGE_JOB
            • DROP_PURGE_JOB
            • SET_LAST_ARCHIVE_TIMESTAMP
            • SET_PURGE_JOB_STATUS
          • DBMS_BALANCE
            • Overview of DBMS_BALANCE
            • SET_BALANCE_WEIGHT
            • CLEAR_BALANCE_WEIGHT
            • TRIGGER_PARTITION_BALANCE
          • DBMS_CRYPTO
            • Overview of DBMS_CRYPTO
            • ENCRYPT
            • DECRYPT
            • HASH
          • DBMS_DAILY_MAINTENANCE
            • Overview of DBMS_DAILY_MAINTENANCE
            • TRIGGER_WINDOW_COMPACTION_PROC
            • SET_THREAD_COUNT
          • DBMS_DEBUG
            • Overview
            • ATTACH_SESSION
            • CONTINUE
            • DEBUG_ON
            • DEBUG_OFF
            • DETACH_SESSION
            • DELETE_BREAKPOINT
            • DISABLE_BREAKPOINT
            • ENABLE_BREAKPOINT
            • GET_VALUE
            • GET_VALUES
            • GET_RUNTIME_INFO
            • GET_TIMEOUT_BEHAVIOUR
            • INITIALIZE
            • PROBE_VERSION
            • PRINT_BACKTRACE
            • SET_TIMEOUT
            • SET_TIMEOUT_BEHAVIOUR
            • SET_BREAKPOINT
            • SHOW_BREAKPOINTS
          • DBMS_DESCRIBE
            • Overview
            • DESCRIBE_PROCEDURE
          • DBMS_LOB
            • Overview of DBMS_LOB
            • APPEND
            • CLOSE
            • COPY
            • CREATETEMPORARY
            • ERASE
            • FREETEMPORARY
            • GETLENGTH
            • ISOPEN
            • INSTR
            • ISTEMPORARY
            • OPEN
            • READ
            • SUBSTR
            • TRIM
            • WRITE
            • WRITEAPPEND
            • CONVERTTOBLOB
          • DBMS_LOCK
            • Overview of DBMS_LOCK
            • ALLOCATE_UNIQUE
            • ALLOCATE_UNIQUE_AUTONOMOUS
            • REQUEST
            • SLEEP
            • RELEASE
          • DBMS_METADATA
            • Overview of DBMS_METADATA
            • GET_DDL
            • GET_TABLE_INDEX_DDL
          • DBMS_MVIEW
            • Overview of DBMS_MVIEW
            • PURGE_LOG
            • REFRESH
          • DBMS_MONITOR
            • Overview of DBMS_MONITOR
            • OB_SESSION_TRACE_ENABLE
            • OB_SESSION_TRACE_DISABLE
            • OB_CLIENT_ID_TRACE_ENABLE
            • OB_CLIENT_ID_TRACE_DISABLE
            • OB_MOD_ACT_TRACE_ENABLE
            • OB_MOD_ACT_TRACE_DISABLE
            • OB_TENANT_TRACE_ENABLE
            • OB_TENANT_TRACE_DISABLE
          • DBMS_MVIEW_STAT
            • Overview of DBMS_MVIEW_STATS
            • PURGE_REFRESH_STATS
            • SET_MVREF_STATS_PARAMS
            • SET_SYSTEM_DEFAULT
          • DBMS_OUTPUT
            • Overview of DBMS_OUTPUT
            • DISABLE
            • ENABLE
            • GET_LINE
            • GET_LINES
            • NEW_LINE
            • PUT
            • PUT_LINE
          • DBMS_PLAN_CACHE
            • Overview of DBMS_PLAN_CACHE
            • PURGE
          • DBMS_PLSQL_CODE_COVERAGE
            • Overview
            • START_COVERAGE
            • STOP_COVERAGE
            • CREATE_COVERAGE_TABLES
          • DBMS_PARTITION
            • DBMS_PARTITION overview
            • MANAGE_DYNAMIC_PARTITION
          • DBMS_RANDOM
            • Overview of DBMS_RANDOM
            • INITIALIZE
            • NORMAL
            • RANDOM
            • SEED
            • STRING
            • TERMINATE
            • VALUE
          • DBMS_RESOURCE_MANAGER
            • Overview
            • CREATE_CONSUMER_GROUP
            • CREATE_PLAN
            • CREATE_PLAN_DIRECTIVE
            • COPY_PLAN
            • DELETE_CONSUMER_GROUP
            • DELETE_PLAN
            • DELETE_PLAN_DIRECTIVE
            • SET_CONSUMER_GROUP_MAPPING
            • UPDATE_PLAN_DIRECTIVE
          • DBMS_SCHEDULER
            • Overview of DBMS_SCHEDULER
            • CREATE_JOB
            • CREATE_JOB_CLASS
            • CREATE_PROGRAM
            • DEFINE_PROGRAM_ARGUMENT
            • DISABLE
            • DROP_JOB
            • DROP_JOB_CLASS
            • DROP_PROGRAM
            • ENABLE
            • GENERATE_JOB_NAME
            • PURGE_LOG
            • RUN_JOB
            • SET_ATTRIBUTE
            • SET_JOB_ARGUMENT_VALUE
            • STOP_JOB
          • DBMS_SESSION
            • Overview
            • CLEAR_ALL_CONTEXT
            • CLEAR_CONTEXT
            • CLEAR_IDENTIFIER
            • RESET_PACKAGE
            • SET_CONTEXT
            • SET_IDENTIFIER
            • SESSION_IS_ROLE_ENABLED
            • IS_ROLE_ENABLED
          • DBMS_SQL
            • Overview of DBMS_SQL
            • BIND_VARIABLE
            • CLOSE_CURSOR
            • COLUMN_VALUE
            • DEFINE_COLUMN
            • DEFINE_ARRAY
            • DESCRIBE_COLUMNS
            • EXECUTE
            • EXECUTE_AND_FETCH
            • FETCH_ROWS
            • IS_OPEN
            • LAST_ERROR_POSITION
            • OPEN_CURSOR
            • PARSE
            • VARIABLE_VALUE
          • DBMS_STATS
            • Overview
            • ALTER_STATS_HISTORY_RETENTION
            • CREATE_STAT_TABLE
            • DELETE_COLUMN_STATS
            • DELETE_INDEX_STATS
            • DELETE_TABLE_STATS
            • DELETE_SCHEMA_STATS
            • DELETE_SCHEMA_PREFS
            • DELETE_SYSTEM_STATS
            • DELETE_TABLE_PREFS
            • DROP_STAT_TABLE
            • EXPORT_COLUMN_STATS
            • EXPORT_INDEX_STATS
            • EXPORT_TABLE_STATS
            • EXPORT_SCHEMA_STATS
            • FLUSH_DATABASE_MONITORING_INFO
            • GATHER_INDEX_STATS
            • GATHER_TABLE_STATS
            • GATHER_SCHEMA_STATS
            • GATHER_SYSTEM_STATS
            • GET_STATS_HISTORY_AVAILABILITY
            • GET_STATS_HISTORY_RETENTION
            • GET_PARAM
            • GET_PREFS
            • IMPORT_INDEX_STATS
            • IMPORT_COLUMN_STATS
            • IMPORT_TABLE_STATS
            • IMPORT_SCHEMA_STATS
            • LOCK_PARTITION_STATS
            • LOCK_SCHEMA_STATS
            • LOCK_TABLE_STATS
            • RESTORE_TABLE_STATS
            • RESTORE_SCHEMA_STATS
            • RESET_GLOBAL_PREF_DEFAULTS
            • RESET_PARAM_DEFAULTS
            • PURGE_STATS
            • SET_COLUMN_STATS
            • SET_INDEX_STATS
            • SET_TABLE_STATS
            • SET_GLOBAL_PREFS
            • SET_PARAM
            • SET_SCHEMA_PREFS
            • SET_SYSTEM_STATS
            • SET_TABLE_PREFS
            • UNLOCK_PARTITION_STATS
            • UNLOCK_SCHEMA_STATS
            • UNLOCK_TABLE_STATS
            • COPY_TABLE_STATS
            • CANCEL_GATHER_STATS
          • DBMS_UDR
            • DBMS_UDR overview
            • CREATE_RULE
            • DISABLE_RULE
            • ENABLE_RULE
            • REMOVE_RULE
          • DBMS_UTILITY
            • Overview of DBMS_UTILITY
            • ACTIVE_INSTANCES
            • CURRENT_INSTANCE
            • DB_VERSION
            • FORMAT_CALL_STACK
            • FORMAT_ERROR_BACKTRACE
            • FORMAT_ERROR_STACK
            • GET_ENDIANNESS
            • GET_HASH_VALUE
            • GET_PARAMETER_VALUE
            • GET_SQL_HASH
            • GET_TIME
            • IS_BIT_SET
            • IS_CLUSTER_DATABASE
            • NAME_RESOLVE
            • NAME_TOKENIZE
            • OLD_CURRENT_SCHEMA
            • OLD_CURRENT_USER
            • PORT_STRING
            • TABLE_TO_COMMA
            • COMMA_TO_TABLE
          • DBMS_WORKLOAD_REPOSITORY
            • Overview of DBMS_WORKLOAD_REPOSITORY
            • ASH_REPORT
          • DBMS_XA
            • DBMS_XA overview
            • Constants of DBMS_XA
            • DBMS_XA_XID object type
            • DIST_TXN_SYNC
            • XA_COMMIT
            • XA_END
            • XA_FORGET
            • XA_GETLASTOER
            • XA_PREPARE
            • XA_RECOVER
            • XA_ROLLBACK
            • XA_SETTIMEOUT
            • XA_START
          • DBMS_XMLGEN
            • Overview of the DBMS_XMLGEN package
            • CONVERT
          • DBMS_PROFILER
            • Overview of DBMS_PROFILER
            • START_PROFILER
            • STOP_PROFILE
            • PAUSE_PROFILER
            • RESUME_PROFILER
            • FLUSH_DATA
            • GET_VERSION
            • INTERNAL_VERSION_CHECK
            • ROLLUP_UNIT
            • ROLLUP_RUN
            • OB_INIT_OBJECTS
            • OB_DROP_OBJECTS
          • DBMS_XPLAN
            • Overview of DBMS_XPLAN
            • DISPLAY_ACTIVE_SESSION_PLAN
            • DISPLAY_CURSOR
            • DISPLAY
            • DISABLE_OPT_TRACE
            • DISPLAY_SQL_PLAN_BASELINE
            • ENABLE_OPT_TRACE
            • SET_OPT_TRACE_PARAMETER
          • DBMS_XPROFILE
            • Overview of DBMS_XPROFILE
            • DISPLAY_PROFILE
          • DBMS_EXTERNAL_TABLE
            • Overview of DBMS_EXTERNAL_TABLE
            • AUTO_REFRESH_EXTERNAL_TABLE
          • DBMS_DDL
            • Overview of DBMS_DDL
            • WRAP
            • CREATE_WRAPPED
          • ODCIConst
            • Overview of ODCIConst
            • ODCIArgDesc.ArgType
            • ODCIEnv.CallProperty
            • ODCIEnv.Envflags
            • ODCIIndexAlter
            • ODCIIndexAlter parameter alter_option
            • ODCIIndexInfo.IndexInfoFlags
            • ODCIIndexInfo.IndexParaDegree
            • ODCIPredInfo.Flags
            • ODCIQueryInfo.Flags
            • ODCIStatsOptions.Flags
            • ODCIStatsOptions.Options
            • Return Status
            • ScnFlg
          • UTL_ENCODE
            • Overview of UTL_ENCODE
            • BASE64_DECODE
            • BASE64_ENCODE
          • UTL_FILE
            • Overview of UTL_FILE
            • FCLOSE
            • FFLUSH
            • FOPEN
            • FGETPOS
            • FREMOVE
            • FRENAME
            • FSEEK
            • NEW_LINE
            • GET_LINE
            • PUT
            • PUT_LINE
          • UTL_I18N
            • Overview of UTL_I18N
            • RAW_TO_CHAR
            • STRING_TO_RAW
          • UTL_RECOMP
            • Overview of UTL_RECOMP
            • RECOMP_PARALLEL
            • RECOMP_SERIAL
            • TRUNCATE_UTL_RECOMP_SKIP_LIST
            • POPULATE_UTL_RECOMP_SKIP_LIST
            • PARALLEL_SLAVE
          • UTL_RAW
            • Overview of UTL_RAW
            • BIT_AND
            • BIT_COMPLEMENT
            • BIT_OR
            • BIT_XOR
            • CAST_FROM_BINARY_DOUBLE
            • CAST_FROM_BINARY_FLOAT
            • CAST_FROM_BINARY_INTEGER
            • CAST_FROM_NUMBER
            • CAST_TO_BINARY_DOUBLE
            • CAST_TO_BINARY_FLOAT
            • CAST_TO_BINARY_INTEGER
            • CAST_TO_NUMBER
            • CAST_TO_RAW
            • CAST_TO_VARCHAR2
            • COMPARE
            • CONCAT
            • COPIES
            • LENGTH
            • REVERSE
            • SUBSTR
            • TRANSLATE
          • UTL_TCP
            • Overview of UTL_TCP
            • OPEN_CONNECTION
            • CLOSE_CONNECTION
            • CLOSE_ALL_CONNECTIONS
            • WRITE_LINE
            • WRITE_TEXT
            • WRITE_RAW
            • GET_LINE
            • GET_TEXT
          • UTL_SMTP
            • Overview of UTL_SMTP
            • OPEN_CONNECTION
            • CLOSE_CONNECTION
            • QUIT
            • AUTH
            • COMMAND
            • COMMAND_REPLIES
            • HELO
            • EHLO
            • MAIL
            • RCPT
            • OPEN_DATA
            • WRITE_DATA
            • WRITE_RAW_DATA
            • CLOSE_DATA
            • DATA
            • VRFY
            • HELP
            • NOOP
            • RSET
          • UTL_HTTP
            • Overview of UTL_HTTP
            • BEGIN_REQUEST
            • END_REQUEST
            • GET_RESPONSE
            • END_RESPONSE
            • READ_LINE
            • READ_RAW
            • READ_TEXT
            • WRITE_LINE
            • WRITE_RAW
            • WRITE_TEXT
            • SET_TRANSFER_TIMEOUT
            • GET_TRANSFER_TIMEOUT
          • ANYDATA TYPE
            • Overview of the ANYDATA type
            • BEGINCREATE static stored procedure
            • ENDCREATE member stored procedure
            • GET* member function
            • GETTYPE member function
            • GETTYPENAME member function
            • PIECEWISE member stored procedure
            • SET* member stored procedure
          • XMLType
            • Overview
            • CREATEXML
            • GETCLOBVAL
            • GETSTRINGVAL
            • TRANSFORM
            • XMLTYPE
            • EXISTSNODE
            • EXTRACT
        • PL reserved keywords
    • System views
      • Overview
      • Overview of system views
      • View changes in V3.x and V4.x
      • SYS tenant views
        • Dictionary views
          • information_schema.CONNECTION_CONTROL_FAILED_LOGIN_ATTEMPTS
          • information_schema.CHARACTER_SETS
          • information_schema.CHECK_CONSTRAINTS
          • information_schema.COLLATION_CHARACTER_SET_APPLICABILITY
          • information_schema.COLLATIONS
          • information_schema.COLUMN_PRIVILEGES
          • information_schema.COLUMNS
          • information_schema.ENGINES
          • information_schema.events
          • information_schema.GLOBAL_STATUS
          • information_schema.GLOBAL_VARIABLES
          • information_schema.KEY_COLUMN_USAGE
          • information_schema.PARAMETERS
          • information_schema.PARTITIONS
          • information_schema.PROCESSLIST
          • information_schema.QUERY_RESPONSE_TIME
          • information_schema.REFERENTIAL_CONSTRAINTS
          • information_schema.role_table_grants
          • information_schema.role_column_grants
          • information_schema.role_routine_grants
          • information_schema.ROUTINES
          • information_schema.SCHEMA_PRIVILEGES
          • information_schema.SCHEMATA
          • information_schema.SESSION_STATUS
          • information_schema.SESSION_VARIABLES
          • information_schema.STATISTICS
          • information_schema.TABLE_CONSTRAINTS
          • information_schema.TABLE_PRIVILEGES
          • information_schema.TABLES
          • information_schema.USER_PRIVILEGES
          • information_schema.VIEW_TABLE_USAGE
          • information_schema.VIEWS
          • mysql.columns_priv
          • mysql.db
          • mysql.default_roles
          • mysql.help_category
          • mysql.help_keyword
          • mysql.help_relation
          • mysql.help_topic
          • mysql.proc
          • mysql.procs_priv
          • mysql.role_edges
          • mysql.time_zone
          • mysql.time_zone_name
          • mysql.time_zone_transition
          • mysql.time_zone_transition_type
          • mysql.user
          • oceanbase.ALL_OB_EXTERNAL_TABLE_FILES
          • oceanbase.CDB_CKPT_HISTORY
          • oceanbase.CDB_OB_DATABASE_PRIVILEGE
          • oceanbase.CDB_IND_COLUMNS
          • oceanbase.CDB_IND_PARTITIONS
          • oceanbase.CDB_IND_SUBPARTITIONS
          • CDB_INDEX_USAGE
          • oceanbase.CDB_INDEXES
          • CDB_MVIEW_LOGS
          • oceanbase.CDB_MVIEW_RUNNING_JOBS
          • CDB_MVIEWS
          • CDB_MVREF_CHANGE_STATS
          • CDB_MVREF_RUN_STATS
          • CDB_MVREF_STATS
          • CDB_MVREF_STATS_PARAMS
          • CDB_MVREF_STATS_SYS_DEFAULTS
          • CDB_MVREF_STMT_STATS
          • oceanbase.CDB_OB_ACCESS_POINT
          • oceanbase.CDB_OB_AI_MODEL_ENDPOINTS
          • oceanbase.CDB_OB_AI_MODELS
          • oceanbase.CDB_OB_LS_ARB_REPLICA_TASKS
          • oceanbase.CDB_OB_ARCHIVE_DEST
          • oceanbase.CDB_OB_ARCHIVELOG
          • oceanbase.CDB_OB_ARCHIVELOG_PIECE_FILES
          • oceanbase.CDB_OB_ARCHIVELOG_SUMMARY
          • oceanbase.CDB_OB_AUTO_INCREMENT
          • CDB_OB_AUX_STATISTICS
          • oceanbase.CDB_OB_BACKUP_DELETE_JOB_HISTORY
          • oceanbase.CDB_OB_BACKUP_DELETE_JOBS
          • oceanbase.CDB_OB_BACKUP_DELETE_POLICY
          • oceanbase.CDB_OB_BACKUP_DELETE_TASK_HISTORY
          • oceanbase.CDB_OB_BACKUP_DELETE_TASKS
          • oceanbase.CDB_OB_BACKUP_JOB_HISTORY
          • oceanbase.CDB_OB_BACKUP_JOBS
          • oceanbase.CDB_OB_BACKUP_PARAMETER
          • oceanbase.CDB_OB_BACKUP_SET_FILES
          • oceanbase.CDB_OB_BACKUP_STORAGE_INFO
          • oceanbase.CDB_OB_BACKUP_STORAGE_INFO_HISTORY
          • oceanbase.CDB_OB_BACKUP_TASK_HISTORY
          • oceanbase.CDB_OB_BACKUP_TASKS
          • oceanbase.CDB_OB_BACKUP_VALIDATE_JOBS
          • oceanbase.CDB_OB_BACKUP_VALIDATE_JOB_HISTORY
          • oceanbase.CDB_OB_BACKUP_VALIDATE_TASKS
          • oceanbase.CDB_OB_BACKUP_VALIDATE_TASK_HISTORY
          • oceanbase.CDB_OB_BALANCE_JOB_HISTORY
          • oceanbase.CDB_OB_BALANCE_JOBS
          • oceanbase.CDB_OB_BALANCE_TASK_HISTORY
          • oceanbase.CDB_OB_BALANCE_TASKS
          • oceanbase.CDB_OB_COLUMN_CHECKSUM_ERROR_INFO
          • oceanbase.CDB_OB_CCL_RULES
          • oceanbase.CDB_OB_CS_REPLICA_STATS
          • oceanbase.CDB_OB_DATA_DICTIONARY_IN_LOG
          • oceanbase.CDB_OB_DATABASES
          • oceanbase.CDB_OB_DEADLOCK_EVENT_HISTORY
          • oceanbase.CDB_OB_DYNAMIC_PARTITION_TABLES
          • oceanbase.CDB_OB_EXTERNAL_TABLE_FILES
          • oceanbase.CDB_OB_FREEZE_INFO
          • oceanbase.CDB_OB_IMPORT_TABLE_JOB_HISTORY
          • oceanbase.CDB_OB_IMPORT_TABLE_JOBS
          • oceanbase.CDB_OB_IMPORT_TABLE_TASK_HISTORY
          • oceanbase.CDB_OB_IMPORT_TABLE_TASKS
          • oceanbase.CDB_OB_KV_TTL_TASK_HISTORY
          • oceanbase.CDB_OB_KV_TTL_TASKS
          • oceanbase.CDB_OB_LOG_RESTORE_SOURCE
          • oceanbase.CDB_OB_LS
          • oceanbase.CDB_OB_LS_ARB_REPLICA_TASK_HISTORY
          • oceanbase.CDB_OB_LS_HISTORY
          • oceanbase.CDB_OB_LS_LOCATIONS
          • oceanbase.CDB_OB_LS_LOG_ARCHIVE_PROGRESS
          • oceanbase.CDB_OB_LS_REPLICA_TASKS
          • oceanbase.CDB_OB_LS_REPLICA_TASK_HISTORY
          • oceanbase.CDB_OB_MAJOR_COMPACTION
          • oceanbase.CDB_OB_OBJECT_BALANCE_WEIGHT
          • oceanbase.CDB_OB_RECOVER_TABLE_JOB_HISTORY
          • oceanbase.CDB_OB_RECOVER_TABLE_JOBS
          • oceanbase.CDB_OB_SERVICES
          • oceanbase.CDB_OB_RESTORE_HISTORY
          • oceanbase.CDB_OB_RESTORE_PROGRESS
          • oceanbase.CDB_OB_RSRC_DIRECTIVES
          • oceanbase.CDB_OB_SENSITIVE_COLUMNS
          • oceanbase.CDB_OB_SENSITIVE_RULE_PLAINACCESS_USERS
          • oceanbase.CDB_OB_SENSITIVE_RULES
          • oceanbase.CDB_OB_SERVER_SPACE_USAGE
          • oceanbase.CDB_OB_SPACE_USAGE
          • oceanbase.CDB_OB_SS_SPACE_USAGE
          • oceanbase.CDB_OB_SYS_VARIABLES
          • oceanbase.CDB_OB_STORAGE_IO_USAGE
          • oceanbase.CDB_OB_TABLE_LOCATIONS
          • oceanbase.CDB_OB_TABLEGROUP_PARTITIONS
          • oceanbase.CDB_OB_TABLEGROUP_SUBPARTITIONS
          • oceanbase.CDB_OB_TABLEGROUP_TABLES
          • oceanbase.CDB_OB_TABLEGROUPS
          • oceanbase.CDB_OB_TABLET_CHECKSUM_ERROR_INFO
          • oceanbase.CDB_OB_TABLET_REPLICAS
          • oceanbase.CDB_OB_TABLET_TO_LS
          • oceanbase.CDB_OB_TABLE_SPACE_USAGE
          • oceanbase.CDB_OB_TEMP_FILES
          • oceanbase.CDB_OB_TENANT_EVENT_HISTORY
          • oceanbase.CDB_OB_TENANT_FLASHBACK_LOG_SCN
          • oceanbase.CDB_OB_TRANSFER_PARTITION_TASKS
          • oceanbase.CDB_OB_TRANSFER_PARTITION_TASK_HISTORY
          • oceanbase.CDB_OB_TRANSFER_TASK_HISTORY
          • oceanbase.CDB_OB_TRANSFER_TASKS
          • oceanbase.CDB_OB_TTL_TASKS
          • oceanbase.CDB_OB_TTL_TASK_HISTORY
          • oceanbase.CDB_OB_USERS
          • oceanbase.CDB_OB_VECTOR_INDEX_TASKS
          • oceanbase.CDB_OB_VECTOR_INDEX_TASK_HISTORY
          • oceanbase.CDB_OB_ZONE_MAJOR_COMPACTION
          • oceanbase.CDB_OBJECTS
          • oceanbase.CDB_PART_INDEXES
          • oceanbase.CDB_PART_KEY_COLUMNS
          • oceanbase.CDB_PART_TABLES
          • oceanbase.CDB_SCHEDULER_JOB_RUN_DETAILS
          • oceanbase.CDB_SUBPART_KEY_COLUMNS
          • oceanbase.CDB_SUBPARTITION_TEMPLATES
          • oceanbase.CDB_TAB_COL_STATISTICS
          • oceanbase.CDB_TAB_COLS
          • oceanbase.CDB_TAB_COLS_V$
          • oceanbase.CDB_TAB_PARTITIONS
          • oceanbase.CDB_TAB_SUBPARTITIONS
          • oceanbase.CDB_TABLES
          • oceanbase.CDB_WR_ACTIVE_SESSION_HISTORY
          • oceanbase.CDB_WR_CONTROL
          • oceanbase.CDB_WR_EVENT_NAME
          • oceanbase.CDB_WR_SNAPSHOT
          • oceanbase.CDB_WR_SQLSTAT
          • oceanbase.CDB_WR_SQLTEXT
          • oceanbase.CDB_WR_STATNAME
          • oceanbase.CDB_WR_SYS_TIME_MODEL
          • oceanbase.CDB_WR_SYSSTAT
          • oceanbase.CDB_WR_SYSTEM_EVENT
          • oceanbase.CDB_OB_EXTERNAL_RESOURCES
          • oceanbase.DBA_DB_LINKS
          • oceanbase.DBA_IND_PARTITIONS
          • oceanbase.DBA_IND_STATISTICS
          • oceanbase.DBA_IND_SUBPARTITIONS
          • oceanbase.DBA_INDEX_USAGE
          • oceanbase.DBA_MVIEW_DEPS
          • oceanbase.DBA_MVIEW_LOGS
          • oceanbase.DBA_MVIEW_RUNNING_JOBS
          • oceanbase.DBA_MVIEWS
          • DBA_MVREF_CHANGE_STATS
          • DBA_MVREF_RUN_STATS
          • DBA_MVREF_STATS
          • DBA_MVREF_STATS_PARAMS
          • DBA_MVREF_STATS_SYS_DEFAULTS
          • DBA_MVREF_STMT_STATS
          • oceanbase.DBA_OB_ACCESS_POINT
          • oceanbase.DBA_OB_AI_MODEL_ENDPOINTS
          • oceanbase.DBA_OB_AI_MODELS
          • oceanbase.DBA_OB_ARBITRATION_SERVICE
          • oceanbase.DBA_OB_ARCHIVE_DEST
          • oceanbase.DBA_OB_ARCHIVELOG
          • oceanbase.DBA_OB_ARCHIVELOG_PIECE_FILES
          • oceanbase.DBA_OB_ARCHIVELOG_SUMMARY
          • oceanbase.DBA_OB_AUTO_INCREMENT
          • DBA_OB_AUX_STATISTICS
          • oceanbase.DBA_OB_BACKUP_DELETE_JOB_HISTORY
          • oceanbase.DBA_OB_BACKUP_DELETE_JOBS
          • oceanbase.DBA_OB_BACKUP_DELETE_POLICY
          • oceanbase.DBA_OB_BACKUP_DELETE_TASK_HISTORY
          • oceanbase.DBA_OB_BACKUP_DELETE_TASKS
          • oceanbase.DBA_OB_BACKUP_JOB_HISTORY
          • oceanbase.DBA_OB_BACKUP_JOBS
          • oceanbase.DBA_OB_BACKUP_PARAMETER
          • oceanbase.DBA_OB_BACKUP_SET_FILES
          • oceanbase.DBA_OB_BACKUP_STORAGE_INFO
          • oceanbase.DBA_OB_BACKUP_STORAGE_INFO_HISTORY
          • oceanbase.DBA_OB_BACKUP_TASK_HISTORY
          • oceanbase.DBA_OB_BACKUP_TASKS
          • oceanbase.DBA_OB_BACKUP_VALIDATE_JOBS
          • oceanbase.DBA_OB_BACKUP_VALIDATE_JOB_HISTORY
          • oceanbase.DBA_OB_BACKUP_VALIDATE_TASKS
          • oceanbase.DBA_OB_BACKUP_VALIDATE_TASK_HISTORY
          • oceanbase.DBA_OB_BALANCE_JOB_HISTORY
          • oceanbase.DBA_OB_BALANCE_JOBS
          • oceanbase.DBA_OB_BALANCE_TASK_HISTORY
          • oceanbase.DBA_OB_BALANCE_TASKS
          • oceanbase.DBA_OB_CLONE_HISTORY
          • oceanbase.DBA_OB_CLONE_PROGRESS
          • oceanbase.DBA_OB_CLUSTER_EVENT_HISTORY
          • oceanbase.DBA_OB_CONCURRENT_LIMIT_SQL
          • oceanbase.DBA_OB_CCL_RULES
          • oceanbase.DBA_OB_CS_REPLICA_STATS
          • oceanbase.DBA_OB_DATA_DICTIONARY_IN_LOG
          • oceanbase.DBA_OB_DATABASE_PRIVILEGE
          • oceanbase.DBA_OB_DATABASES
          • oceanbase.DBA_OB_DEADLOCK_EVENT_HISTORY
          • oceanbase.DBA_OB_DYNAMIC_PARTITION_TABLES
          • oceanbase.DBA_OB_EXTERNAL_TABLE_FILES
          • oceanbase.DBA_OB_EXTERNAL_RESOURCES
          • DBA_OB_FORMAT_OUTLINES
          • oceanbase.DBA_OB_FREEZE_INFO
          • oceanbase.DBA_OB_IMPORT_TABLE_JOB_HISTORY
          • oceanbase.DBA_OB_IMPORT_TABLE_JOBS
          • oceanbase.DBA_OB_IMPORT_TABLE_TASK_HISTORY
          • oceanbase.DBA_OB_IMPORT_TABLE_TASKS
          • oceanbase.DBA_OB_KV_TTL_TASK_HISTORY
          • oceanbase.DBA_OB_KV_TTL_TASKS
          • oceanbase.DBA_OB_LOG_RESTORE_SOURCE
          • oceanbase.DBA_OB_LS
          • oceanbase.DBA_OB_LS_ARB_REPLICA_TASKS
          • oceanbase.DBA_OB_LS_ARB_REPLICA_TASK_HISTORY
          • oceanbase.DBA_OB_LS_HISTORY
          • oceanbase.DBA_OB_LS_LOCATIONS
          • oceanbase.DBA_OB_LS_LOG_ARCHIVE_PROGRESS
          • oceanbase.DBA_OB_LS_REPLICA_TASKS
          • oceanbase.DBA_OB_LS_REPLICA_TASK_HISTORY
          • oceanbase.DBA_OB_MAJOR_COMPACTION
          • oceanbase.DBA_OB_OUTLINE_CONCURRENT_HISTORY
          • oceanbase.DBA_OB_OUTLINES
          • oceanbase.DBA_OB_RECOVER_TABLE_JOB_HISTORY
          • oceanbase.DBA_OB_SERVICES
          • oceanbase.DBA_OB_RECOVER_TABLE_JOBS
          • oceanbase.DBA_OB_RESOURCE_POOLS
          • oceanbase.DBA_OB_RESTORE_HISTORY
          • oceanbase.DBA_OB_RESTORE_PROGRESS
          • oceanbase.DBA_OB_ROOTSERVICE_EVENT_HISTORY
          • oceanbase.DBA_OB_RSRC_IO_DIRECTIVES
          • oceanbase.DBA_OB_RSRC_DIRECTIVES
          • oceanbase.DBA_OB_SEQUENCE_OBJECTS
          • oceanbase.DBA_OB_SERVER_EVENT_HISTORY
          • oceanbase.DBA_OB_SERVER_JOBS
          • oceanbase.DBA_OB_SERVERS
          • oceanbase.DBA_OB_SS_SPACE_USAGE
          • oceanbase.DBA_OB_STORAGE_IO_USAGE
          • oceanbase.DBA_OB_SYS_VARIABLES
          • oceanbase.DBA_OB_TABLE_LOCATIONS
          • oceanbase.DBA_OB_TABLE_OPT_STAT_GATHER_HISTORY
          • oceanbase.DBA_OB_TABLE_STAT_STALE_INFO
          • oceanbase.DBA_OB_TABLEGROUP_PARTITIONS
          • oceanbase.DBA_OB_TABLEGROUP_SUBPARTITIONS
          • oceanbase.DBA_OB_TABLEGROUP_TABLES
          • oceanbase.DBA_OB_TABLEGROUPS
          • oceanbase.DBA_OB_TABLET_REPLICAS
          • oceanbase.DBA_OB_TABLET_TO_LS
          • oceanbase.DBA_OB_TASK_OPT_STAT_GATHER_HISTORY
          • oceanbase.DBA_OB_TEMP_FILES
          • oceanbase.DBA_OB_TENANT_EVENT_HISTORY
          • oceanbase.DBA_OB_TENANT_FLASHBACK_LOG_SCN
          • oceanbase.DBA_OB_TENANT_JOBS
          • oceanbase.DBA_OB_TENANTS
          • oceanbase.DBA_OB_TRANSFER_PARTITION_TASKS
          • oceanbase.DBA_OB_TRANSFER_PARTITION_TASK_HISTORY
          • oceanbase.DBA_OB_TRANSFER_TASK_HISTORY
          • oceanbase.DBA_OB_TRANSFER_TASKS
          • DBA_OB_TRUSTED_ROOT_CERTIFICATE
          • oceanbase.DBA_OB_TTL_TASKS
          • oceanbase.DBA_OB_TTL_TASK_HISTORY
          • oceanbase.DBA_OB_UNIT_CONFIGS
          • oceanbase.DBA_OB_UNIT_JOBS
          • oceanbase.DBA_OB_UNITS
          • oceanbase.DBA_OB_USER_DEFINED_RULES
          • oceanbase.DBA_OB_USERS
          • oceanbase.DBA_OB_VECTOR_INDEX_TASKS
          • oceanbase.DBA_OB_VECTOR_INDEX_TASK_HISTORY
          • oceanbase.DBA_OB_ZONE_MAJOR_COMPACTION
          • oceanbase.DBA_OB_ZONES
          • oceanbase.DBA_OB_ZONE_STORAGE
          • oceanbase.DBA_OBJECTS
          • oceanbase.DBA_PART_COL_STATISTICS
          • oceanbase.DBA_PART_HISTOGRAMS
          • oceanbase.DBA_PART_INDEXES
          • oceanbase.DBA_PART_KEY_COLUMNS
          • oceanbase.DBA_PART_TABLES
          • oceanbase.DBA_RECYCLEBIN
          • oceanbase.DBA_RSRC_CONSUMER_GROUPS
          • oceanbase.DBA_RSRC_GROUP_MAPPINGS
          • oceanbase.DBA_RSRC_PLAN_DIRECTIVES
          • oceanbase.DBA_RSRC_PLANS
          • oceanbase.DBA_SCHEDULER_JOBS
          • oceanbase.DBA_SCHEDULER_JOB_RUN_DETAILS
          • oceanbase.DBA_SCHEDULER_WINDOWS
          • oceanbase.DBA_SEQUENCES
          • oceanbase.DBA_SQL_MANAGEMENT_CONFIG
          • oceanbase.DBA_SQL_PLAN_BASELINES
          • oceanbase.DBA_SUBPART_COL_STATISTICS
          • oceanbase.DBA_SUBPART_HISTOGRAMS
          • oceanbase.DBA_SUBPART_KEY_COLUMNS
          • oceanbase.DBA_SUBPARTITION_TEMPLATES
          • oceanbase.DBA_TAB_COL_STATISTICS
          • oceanbase.DBA_TAB_HISTOGRAMS
          • oceanbase.DBA_TAB_MODIFICATIONS
          • oceanbase.DBA_TAB_PARTITIONS
          • oceanbase.DBA_TAB_STATISTICS
          • oceanbase.DBA_TAB_STATS_HISTORY
          • oceanbase.DBA_TAB_SUBPARTITIONS
          • oceanbase.DBA_TABLES
          • oceanbase.DBA_WR_ACTIVE_SESSION_HISTORY
          • oceanbase.DBA_WR_CONTROL
          • oceanbase.DBA_WR_EVENT_NAME
          • oceanbase.DBA_WR_SNAPSHOT
          • oceanbase.DBA_WR_SQLSTAT
          • oceanbase.DBA_WR_SQLTEXT
          • oceanbase.DBA_WR_STATNAME
          • oceanbase.DBA_WR_SYS_TIME_MODEL
          • oceanbase.DBA_WR_SYSSTAT
          • oceanbase.DBA_WR_SYSTEM_EVENT
        • Performance views
          • GV$ACTIVE_SESSION_HISTORY
          • GV$DML_STATS
          • GV$LATCH
          • GV$OB_ACTIVE_SESSION_HISTORY
          • GV$OB_COMPACTION_DIAGNOSE_INFO
          • GV$OB_COMPACTION_PROGRESS
          • GV$OB_COMPACTION_SUGGESTIONS
          • GV$OB_CGROUP_CONFIG
          • GV$OB_DTL_INTERM_RESULT_MONITOR
          • GV$OB_EXTERNAL_CATALOG_CLIENT_POOL_STAT
          • GV$OB_FLT_TRACE_CONFIG
          • GV$OB_FUNCTION_IO_STAT
          • GV$OB_GROUP_IO_STAT
          • GV$OB_HMS_CLIENT_POOL_STAT
          • GV$OB_HNSW_INDEX_INFO
          • GV$OB_HNSW_INDEX_SEGMENT_INFO
          • GV$OB_IO_BENCHMARK
          • GV$OB_IO_CALIBRATION_STATUS
          • GV$OB_IVF_INDEX_INFO
          • GV$OB_KVCACHE
          • GV$OB_KV_GROUP_COMMIT_STATUS
          • GV$OB_LOG_STAT
          • GV$OB_LOG_TRANSPORT_DEST_STAT
          • GV$OB_LS_SNAPSHOTS
          • GV$OB_MEMORY
          • GV$OB_MEMSTORE
          • GV$OB_MEMSTORE_INFO
          • GV$OB_MERGE_INFO
          • GV$OB_NIC_INFO
          • GV$OB_RPC_INCOMING
          • GV$OB_RPC_OUTGOING
          • GV$OB_PARAMETERS
          • GV$OB_PLAN_CACHE_PLAN_EXPLAIN
          • GV$OB_PLAN_CACHE_PLAN_STAT
          • GV$OB_PLAN_CACHE_STAT
          • GV$OB_PROCESSLIST
          • GV$OB_PS_ITEM_INFO
          • GV$OB_PS_STAT
          • GV$OB_PX_P2P_DATAHUB
          • GV$OB_PX_TARGET_MONITOR
          • GV$OB_PX_WORKER_STAT
          • GV$OB_QUERY_RESPONSE_TIME_HISTOGRAM
          • GV$OB_RES_MGR_SYSSTAT
          • GV$OB_SERVER_SCHEMA_INFO
          • GV$OB_SERVERS
          • GV$OB_SERVER_STORAGE
          • GV$OB_SESS_TIME_MODEL
          • GV$OB_SESSION
          • GV$OB_SHARED_STORAGE_QUOTA
          • GV$OB_SINDI_INDEX_INFO
          • GV$OB_SQL_AUDIT
          • GV$OB_SQL_CCL_STATUS
          • GV$SQL_JOIN_FILTER
          • GV$OB_SQL_PLAN
          • GV$SQL_PLAN_MONITOR
          • GV$OB_SQL_WORKAREA_MEMORY_INFO
          • GV$OB_SQLSTAT
          • GV$OB_SSTABLES
          • GV$OB_SS_LOCAL_CACHE
          • GV$OB_SS_LOCAL_CACHE_DIAGNOSE
          • GV$OB_SS_OBJECT_TYPE_IO_STAT
          • GV$OB_STORAGE_CACHE_TASKS
          • GV$OB_SYS_TIME_MODEL
          • GV$OB_TABLET_COMPACTION_HISTORY
          • GV$OB_TABLET_COMPACTION_PROGRESS
          • GV$OB_TABLET_LOCAL_CACHE
          • GV$OB_TABLET_REPLICA_INFO
          • GV$OB_TENANT_MEMORY
          • GV$OB_TENANT_RESOURCE_LIMIT
          • GV$OB_TENANT_RESOURCE_LIMIT_DETAIL
          • GV$OB_TENANT_RUNTIME_INFO
          • GV$OB_TRANSACTION_PARTICIPANTS
          • GV$OB_TRANSACTION_SCHEDULERS
          • GV$OB_UNITS
          • GV$OB_VECTOR_MEMORY
          • GV$SESSION_EVENT
          • GV$SESSION_LONGOPS
          • GV$SESSION_WAIT
          • GV$SESSION_WAIT_HISTORY
          • GV$SESSTAT
          • GV$SQL_WORKAREA
          • GV$SQL_WORKAREA_ACTIVE
          • GV$SQL_WORKAREA_HISTOGRAM
          • GV$SYSSTAT
          • GV$SYSTEM_EVENT
          • gv$tenant
          • gv$tenant_memstore_allocator_info
          • GV$OB_ARBITRATION_MEMBER_INFO
          • GV$OB_ARBITRATION_SERVICE_STATUS
          • GV$OB_KV_CLIENT_INFO
          • GV$OB_LOCKS
          • GV$OB_OPT_STAT_GATHER_MONITOR
          • GV$OB_THREAD
          • GV$OB_PL_CACHE_OBJECT
          • GV$UNIT
          • V$OB_PL_CACHE_OBJECT
          • V$ACTIVE_SESSION_HISTORY
          • V$DML_STATS
          • V$ENCRYPTED_TABLESPACES
          • V$EVENT_NAME
          • V$LATCH
          • V$OB_ACTIVE_SESSION_HISTORY
          • V$OB_ARCHIVE_DEST_STATUS
          • V$OB_COMPACTION_DIAGNOSE_INFO
          • V$OB_COMPACTION_PROGRESS
          • V$OB_COMPACTION_SUGGESTIONS
          • V$OB_COMPATIBILITY_CONTROL
          • V$OB_CGROUP_CONFIG
          • V$OB_DTL_INTERM_RESULT_MONITOR
          • V$OB_DYNAMIC_PARTITION_TABLES
          • V$OB_ENCRYPTED_TABLES
          • V$OB_EXTERNAL_CATALOG_CLIENT_POOL_STAT
          • V$OB_FUNCTION_IO_STAT
          • V$OB_GROUP_IO_STAT
          • V$OB_HMS_CLIENT_POOL_STAT
          • V$OB_IO_BENCHMARK
          • V$OB_HNSW_INDEX_INFO
          • V$OB_HNSW_INDEX_SEGMENT_INFO
          • V$OB_IO_CALIBRATION_STATUS
          • V$OB_IVF_INDEX_INFO
          • V$OB_KVCACHE
          • V$OB_KV_CLIENT_INFO
          • V$OB_KV_GROUP_COMMIT_STATUS
          • V$OB_LOG_STAT
          • V$OB_LOG_TRANSPORT_DEST_STAT
          • V$OB_LS_LOG_RESTORE_STATUS
          • V$OB_LS_REPLICA_TASK_PLAN
          • V$OB_LS_SNAPSHOTS
          • V$OB_MEMORY
          • V$OB_MEMSTORE
          • V$OB_MEMSTORE_INFO
          • V$OB_MERGE_INFO
          • V$OB_NIC_INFO
          • V$OB_RPC_INCOMING
          • V$OB_RPC_OUTGOING
          • V$OB_PARAMETERS
          • V$OB_PLAN_CACHE_PLAN_EXPLAIN
          • V$OB_PLAN_CACHE_PLAN_STAT
          • V$OB_PLAN_CACHE_STAT
          • V$OB_PROCESSLIST
          • V$OB_PS_ITEM_INFO
          • V$OB_PS_STAT
          • V$OB_PX_P2P_DATAHUB
          • V$OB_PX_TARGET_MONITOR
          • V$OB_PX_WORKER_STAT
          • V$OB_QUERY_RESPONSE_TIME_HISTOGRAM
          • V$OB_RES_MGR_SYSSTAT
          • V$OB_SERVER_SCHEMA_INFO
          • V$OB_SERVERS
          • V$OB_SERVER_STORAGE
          • V$OB_SESS_TIME_MODEL
          • V$OB_SESSION
          • V$SESSION_EVENT
          • V$OB_SHARED_STORAGE_QUOTA
          • V$OB_SINDI_INDEX_INFO
          • V$OB_SQL_AUDIT
          • V$OB_SQL_CCL_STATUS
          • V$SQL_JOIN_FILTER
          • V$OB_SQL_PLAN
          • V$OB_SQL_WORKAREA_MEMORY_INFO
          • V$OB_SQLSTAT
          • V$OB_SS_SSTABLES
          • V$OB_SSTABLES
          • V$OB_SS_LOCAL_CACHE
          • V$OB_SS_LOCAL_CACHE_DIAGNOSE
          • V$OB_SS_OBJECT_TYPE_IO_STAT
          • V$OB_STORAGE_CACHE_TASKS
          • V$OB_SYS_TIME_MODEL
          • V$OB_TABLET_COMPACTION_HISTORY
          • V$OB_TABLET_COMPACTION_PROGRESS
          • V$OB_TABLET_LOCAL_CACHE
          • V$OB_TABLET_REPLICA_INFO
          • V$OB_TENANT_MEMORY
          • V$OB_TENANT_RESOURCE_LIMIT
          • V$OB_TENANT_RESOURCE_LIMIT_DETAIL
          • V$OB_TENANT_RUNTIME_INFO
          • V$OB_TIMESTAMP_SERVICE
          • V$OB_TRANSACTION_PARTICIPANTS
          • V$OB_TRANSACTION_SCHEDULERS
          • V$OB_UNITS
          • V$RESTORE_POINT
          • V$RSRC_PLAN
          • V$SESSION_LONGOPS
          • V$SESSION_WAIT
          • V$SESSION_WAIT_HISTORY
          • V$SESSTAT
          • V$SQL_MONITOR_STATNAME
          • V$SQL_PLAN_MONITOR
          • V$SQL_WORKAREA
          • V$SQL_WORKAREA_ACTIVE
          • V$SQL_WORKAREA_HISTOGRAM
          • V$STATNAME
          • V$SYSSTAT
          • V$SYSTEM_EVENT
          • V$OB_ARBITRATION_MEMBER_INFO
          • V$OB_ARBITRATION_SERVICE_STATUS
          • V$OB_LOCKS
          • V$OB_OPT_STAT_GATHER_MONITOR
          • V$OB_THREAD
          • V$OB_VECTOR_MEMORY
          • v$tenant_memstore_allocator_info
          • V$UNIT
      • MySQL tenant views
        • Dictionary views
          • information_schema.CONNECTION_CONTROL_FAILED_LOGIN_ATTEMPTS
          • information_schema.CHARACTER_SETS
          • information_schema.CHECK_CONSTRAINTS
          • information_schema.COLLATION_CHARACTER_SET_APPLICABILITY
          • information_schema.COLLATIONS
          • information_schema.COLUMN_PRIVILEGES
          • information_schema.COLUMNS
          • information_schema.ENGINES
          • information_schema.events
          • information_schema.GLOBAL_STATUS
          • information_schema.GLOBAL_VARIABLES
          • information_schema.KEY_COLUMN_USAGE
          • information_schema.PARAMETERS
          • information_schema.PARTITIONS
          • information_schema.PROCESSLIST
          • information_schema.QUERY_RESPONSE_TIME
          • information_schema.REFERENTIAL_CONSTRAINTS
          • information_schema.role_table_grants
          • information_schema.role_column_grants
          • information_schema.role_routine_grants
          • information_schema.ROUTINES
          • information_schema.SCHEMA_PRIVILEGES
          • information_schema.SCHEMATA
          • information_schema.SESSION_STATUS
          • information_schema.SESSION_VARIABLES
          • information_schema.ST_GEOMETRY_COLUMNS
          • information_schema.ST_SPATIAL_REFERENCE_SYSTEMS
          • information_schema.STATISTICS
          • information_schema.TABLE_CONSTRAINTS
          • information_schema.TABLE_PRIVILEGES
          • information_schema.TABLES
          • information_schema.USER_PRIVILEGES
          • information_schema.VIEW_TABLE_USAGE
          • information_schema.VIEWS
          • mysql.audit_log_filter
          • mysql.audit_log_user
          • mysql.columns_priv
          • mysql.db
          • mysql.default_roles
          • mysql.help_category
          • mysql.help_keyword
          • mysql.help_relation
          • mysql.help_topic
          • mysql.proc
          • mysql.procs_priv
          • mysql.role_edges
          • mysql.time_zone
          • mysql.time_zone_name
          • mysql.time_zone_transition
          • mysql.time_zone_transition_type
          • mysql.user
          • oceanbase.ALL_OB_EXTERNAL_TABLE_FILES
          • oceanbase.DBA_DB_LINKS
          • oceanbase.DBA_IND_PARTITIONS
          • oceanbase.DBA_IND_STATISTICS
          • oceanbase.DBA_IND_SUBPARTITIONS
          • oceanbase.DBA_INDEX_USAGE
          • oceanbase.DBA_MVIEW_DEPS
          • oceanbase.DBA_MVIEW_LOGS
          • oceanbase.DBA_MVIEW_RUNNING_JOBS
          • oceanbase.DBA_MVIEWS
          • DBA_MVREF_CHANGE_STATS
          • DBA_MVREF_RUN_STATS
          • DBA_MVREF_STATS
          • DBA_MVREF_STATS_PARAMS
          • DBA_MVREF_STATS_SYS_DEFAULTS
          • DBA_MVREF_STMT_STATS
          • oceanbase.DBA_OB_ACCESS_POINT
          • oceanbase.DBA_OB_AI_MODEL_ENDPOINTS
          • oceanbase.DBA_OB_AI_MODELS
          • oceanbase.DBA_OB_ARCHIVE_DEST
          • oceanbase.DBA_OB_ARCHIVELOG
          • oceanbase.DBA_OB_ARCHIVELOG_PIECE_FILES
          • oceanbase.DBA_OB_ARCHIVELOG_SUMMARY
          • oceanbase.DBA_OB_AUTO_INCREMENT
          • DBA_OB_AUX_STATISTICS
          • oceanbase.DBA_OB_BACKUP_DELETE_JOB_HISTORY
          • oceanbase.DBA_OB_BACKUP_DELETE_JOBS
          • oceanbase.DBA_OB_BACKUP_DELETE_POLICY
          • oceanbase.DBA_OB_BACKUP_DELETE_TASK_HISTORY
          • oceanbase.DBA_OB_BACKUP_DELETE_TASKS
          • oceanbase.DBA_OB_BACKUP_JOB_HISTORY
          • oceanbase.DBA_OB_BACKUP_JOBS
          • oceanbase.DBA_OB_BACKUP_PARAMETER
          • oceanbase.DBA_OB_BACKUP_SET_FILES
          • oceanbase.DBA_OB_BACKUP_STORAGE_INFO
          • oceanbase.DBA_OB_BACKUP_STORAGE_INFO_HISTORY
          • oceanbase.DBA_OB_BACKUP_TASK_HISTORY
          • oceanbase.DBA_OB_BACKUP_TASKS
          • oceanbase.DBA_OB_BACKUP_VALIDATE_JOBS
          • oceanbase.DBA_OB_BACKUP_VALIDATE_JOB_HISTORY
          • oceanbase.DBA_OB_BACKUP_VALIDATE_TASKS
          • oceanbase.DBA_OB_BACKUP_VALIDATE_TASK_HISTORY
          • oceanbase.DBA_OB_BALANCE_JOB_HISTORY
          • oceanbase.DBA_OB_BALANCE_JOBS
          • oceanbase.DBA_OB_BALANCE_TASK_HISTORY
          • oceanbase.DBA_OB_BALANCE_TASKS
          • oceanbase.DBA_OB_CONCURRENT_LIMIT_SQL
          • oceanbase.DBA_OB_CCL_RULES
          • oceanbase.DBA_OB_CS_REPLICA_STATS
          • oceanbase.DBA_OB_DATA_DICTIONARY_IN_LOG
          • oceanbase.DBA_OB_DATABASE_PRIVILEGE
          • oceanbase.DBA_OB_DATABASES
          • oceanbase.DBA_OB_DEADLOCK_EVENT_HISTORY
          • oceanbase.DBA_OB_DYNAMIC_PARTITION_TABLES
          • oceanbase.DBA_OB_EXTERNAL_TABLE_FILES
          • oceanbase.DBA_OB_EXTERNAL_RESOURCES
          • DBA_OB_FORMAT_OUTLINES
          • oceanbase.DBA_OB_FREEZE_INFO
          • oceanbase.DBA_OB_IMPORT_TABLE_JOB_HISTORY
          • oceanbase.DBA_OB_IMPORT_TABLE_JOBS
          • oceanbase.DBA_OB_IMPORT_TABLE_TASK_HISTORY
          • oceanbase.DBA_OB_IMPORT_TABLE_TASKS
          • oceanbase.DBA_OB_KV_TTL_TASK_HISTORY
          • oceanbase.DBA_OB_KV_TTL_TASKS
          • oceanbase.DBA_OB_LOG_RESTORE_SOURCE
          • oceanbase.DBA_OB_LS
          • oceanbase.DBA_OB_LS_ARB_REPLICA_TASKS
          • oceanbase.DBA_OB_LS_ARB_REPLICA_TASK_HISTORY
          • oceanbase.DBA_OB_LS_HISTORY
          • oceanbase.DBA_OB_LS_LOCATIONS
          • oceanbase.DBA_OB_LS_LOG_ARCHIVE_PROGRESS
          • oceanbase.DBA_OB_LS_REPLICA_TASKS
          • oceanbase.DBA_OB_LS_REPLICA_TASK_HISTORY
          • oceanbase.DBA_OB_MAJOR_COMPACTION
          • oceanbase.DBA_OB_OBJECT_BALANCE_WEIGHT
          • oceanbase.DBA_OB_OUTLINE_CONCURRENT_HISTORY
          • oceanbase.DBA_OB_OUTLINES
          • oceanbase.DBA_OB_RECOVER_TABLE_JOB_HISTORY
          • oceanbase.DBA_OB_RECOVER_TABLE_JOBS
          • oceanbase.DBA_OB_SERVICES
          • oceanbase.DBA_OB_RESTORE_HISTORY
          • oceanbase.DBA_OB_RESTORE_PROGRESS
          • oceanbase.DBA_OB_RSRC_IO_DIRECTIVES
          • oceanbase.DBA_OB_RSRC_DIRECTIVES
          • oceanbase.DBA_OB_SENSITIVE_COLUMNS
          • oceanbase.DBA_OB_SENSITIVE_RULE_PLAINACCESS_USERS
          • oceanbase.DBA_OB_SENSITIVE_RULES
          • oceanbase.DBA_OB_SEQUENCE_OBJECTS
          • oceanbase.DBA_OB_SS_SPACE_USAGE
          • oceanbase.DBA_OB_STORAGE_IO_USAGE
          • oceanbase.DBA_OB_SYS_VARIABLES
          • oceanbase.DBA_OB_TABLE_LOCATIONS
          • oceanbase.DBA_OB_TABLE_OPT_STAT_GATHER_HISTORY
          • oceanbase.DBA_OB_TABLE_STAT_STALE_INFO
          • oceanbase.DBA_OB_TABLEGROUP_PARTITIONS
          • oceanbase.DBA_OB_TABLEGROUP_SUBPARTITIONS
          • oceanbase.DBA_OB_TABLEGROUP_TABLES
          • oceanbase.DBA_OB_TABLEGROUPS
          • oceanbase.DBA_OB_TABLET_REPLICAS
          • oceanbase.DBA_OB_TABLE_SPACE_USAGE
          • oceanbase.DBA_OB_TABLET_TO_LS
          • oceanbase.DBA_OB_TASK_OPT_STAT_GATHER_HISTORY
          • oceanbase.DBA_OB_TENANT_EVENT_HISTORY
          • oceanbase.DBA_OB_TENANTS
          • oceanbase.DBA_OB_TEMP_FILES
          • oceanbase.DBA_OB_TRANSFER_PARTITION_TASKS
          • oceanbase.DBA_OB_TRANSFER_PARTITION_TASK_HISTORY
          • oceanbase.DBA_OB_TRANSFER_TASK_HISTORY
          • oceanbase.DBA_OB_TRANSFER_TASKS
          • oceanbase.DBA_OB_USER_DEFINED_RULES
          • oceanbase.DBA_OB_USERS
          • oceanbase.DBA_OB_VECTOR_INDEX_TASKS
          • oceanbase.DBA_OB_VECTOR_INDEX_TASK_HISTORY
          • oceanbase.DBA_OB_ZONE_MAJOR_COMPACTION
          • oceanbase.DBA_OBJECTS
          • oceanbase.DBA_PART_COL_STATISTICS
          • oceanbase.DBA_PART_HISTOGRAMS
          • oceanbase.DBA_PART_INDEXES
          • oceanbase.DBA_PART_KEY_COLUMNS
          • oceanbase.DBA_PART_TABLES
          • oceanbase.DBA_RECYCLEBIN
          • oceanbase.DBA_RSRC_CONSUMER_GROUPS
          • oceanbase.DBA_RSRC_GROUP_MAPPINGS
          • oceanbase.DBA_RSRC_PLAN_DIRECTIVES
          • oceanbase.DBA_RSRC_PLANS
          • oceanbase.DBA_SCHEDULER_JOBS
          • oceanbase.DBA_SCHEDULER_JOB_RUN_DETAILS
          • oceanbase.DBA_SCHEDULER_WINDOWS
          • oceanbase.DBA_SEQUENCES
          • oceanbase.DBA_SQL_MANAGEMENT_CONFIG
          • oceanbase.DBA_SQL_PLAN_BASELINES
          • oceanbase.DBA_SUBPART_COL_STATISTICS
          • oceanbase.DBA_SUBPART_HISTOGRAMS
          • oceanbase.DBA_SUBPART_KEY_COLUMNS
          • oceanbase.DBA_SUBPARTITION_TEMPLATES
          • oceanbase.DBA_TAB_COL_STATISTICS
          • oceanbase.DBA_TAB_HISTOGRAMS
          • oceanbase.DBA_TAB_MODIFICATIONS
          • oceanbase.DBA_TAB_PARTITIONS
          • oceanbase.DBA_TAB_STATISTICS
          • oceanbase.DBA_TAB_STATS_HISTORY
          • oceanbase.DBA_TAB_SUBPARTITIONS
          • oceanbase.DBA_TABLES
          • oceanbase.DBA_OB_TENANT_FLASHBACK_LOG_SCN
          • oceanbase.DBA_OB_TTL_TASKS
          • oceanbase.DBA_OB_TTL_TASK_HISTORY
          • oceanbase.DBA_WR_ACTIVE_SESSION_HISTORY
          • oceanbase.DBA_WR_CONTROL
          • oceanbase.DBA_WR_EVENT_NAME
          • oceanbase.DBA_WR_SNAPSHOT
          • oceanbase.DBA_WR_SQLSTAT
          • oceanbase.DBA_WR_SQLTEXT
          • oceanbase.DBA_WR_STATNAME
          • oceanbase.DBA_WR_SYS_TIME_MODEL
          • oceanbase.DBA_WR_SYSSTAT
          • oceanbase.DBA_WR_SYSTEM_EVENT
        • Performance views
          • GV$ACTIVE_SESSION_HISTORY
          • GV$DML_STATS
          • GV$LATCH
          • GV$OB_ACTIVE_SESSION_HISTORY
          • GV$OB_COMPACTION_DIAGNOSE_INFO
          • GV$OB_COMPACTION_PROGRESS
          • GV$OB_COMPACTION_SUGGESTIONS
          • GV$OB_CGROUP_CONFIG
          • GV$OB_DTL_INTERM_RESULT_MONITOR
          • GV$OB_EXTERNAL_CATALOG_CLIENT_POOL_STAT
          • GV$OB_FLT_TRACE_CONFIG
          • GV$OB_FUNCTION_IO_STAT
          • GV$OB_GROUP_IO_STAT
          • GV$OB_HMS_CLIENT_POOL_STAT
          • GV$OB_HNWS_INDEX_INFO
          • GV$OB_IVF_INDEX_INFO
          • GV$OB_HNSW_INDEX_SEGMENT_INFO
          • GV$OB_KVCACHE
          • GV$OB_KV_CLIENT_INFO
          • GV$OB_KV_GROUP_COMMIT_STATUS
          • GV$OB_LOG_STAT
          • GV$OB_LOG_TRANSPORT_DEST_STAT
          • GV$OB_LS_SNAPSHOTS
          • GV$OB_MEMORY
          • GV$OB_MEMSTORE
          • GV$OB_MEMSTORE_INFO
          • GV$OB_MERGE_INFO
          • GV$OB_NIC_INFO
          • GV$OB_RPC_INCOMING
          • GV$OB_RPC_OUTGOING
          • GV$OB_PARAMETERS
          • GV$OB_PLAN_CACHE_PLAN_EXPLAIN
          • GV$OB_PLAN_CACHE_PLAN_STAT
          • GV$OB_PLAN_CACHE_STAT
          • GV$OB_PROCESSLIST
          • GV$OB_PS_ITEM_INFO
          • GV$OB_PS_STAT
          • GV$OB_PX_P2P_DATAHUB
          • GV$OB_PX_TARGET_MONITOR
          • GV$OB_PX_WORKER_STAT
          • GV$OB_QUERY_RESPONSE_TIME_HISTOGRAM
          • GV$OB_RES_MGR_SYSSTAT
          • GV$OB_SERVER_SCHEMA_INFO
          • GV$OB_SESS_TIME_MODEL
          • GV$OB_SESSION
          • GV$OB_SHARED_STORAGE_QUOTA
          • GV$OB_SINDI_INDEX_INFO
          • GV$OB_SQL_AUDIT
          • GV$OB_SQL_CCL_STATUS
          • GV$SQL_JOIN_FILTER
          • GV$OB_SQL_PLAN
          • GV$OB_SQL_WORKAREA_MEMORY_INFO
          • GV$OB_SQLSTAT
          • GV$OB_SSTABLES
          • GV$OB_SS_LOCAL_CACHE
          • GV$OB_SS_LOCAL_CACHE_DIAGNOSE
          • GV$OB_SS_OBJECT_TYPE_IO_STAT
          • GV$OB_STORAGE_CACHE_TASKS
          • GV$OB_SYS_TIME_MODEL
          • GV$OB_TABLET_COMPACTION_HISTORY
          • GV$OB_TABLET_COMPACTION_PROGRESS
          • GV$OB_TABLET_LOCAL_CACHE
          • GV$OB_TENANT_MEMORY
          • GV$OB_TENANT_RESOURCE_LIMIT
          • GV$OB_TENANT_RESOURCE_LIMIT_DETAIL
          • GV$OB_TRANSACTION_PARTICIPANTS
          • GV$OB_TRANSACTION_SCHEDULERS
          • GV$OB_UNITS
          • GV$OB_VECTOR_MEMORY
          • GV$SESSION_EVENT
          • GV$SESSION_LONGOPS
          • GV$SESSION_WAIT
          • GV$SESSION_WAIT_HISTORY
          • GV$SESSTAT
          • GV$SQL_PLAN_MONITOR
          • GV$SQL_WORKAREA
          • GV$SQL_WORKAREA_ACTIVE
          • GV$SQL_WORKAREA_HISTOGRAM
          • GV$SYSSTAT
          • GV$SYSTEM_EVENT
          • GV$OB_ARBITRATION_MEMBER_INFO
          • GV$OB_ARBITRATION_SERVICE_STATUS
          • GV$OB_LOCKS
          • GV$OB_OPT_STAT_GATHER_MONITOR
          • GV$OB_THREAD
          • GV$OB_PL_CACHE_OBJECT
          • V$OB_PL_CACHE_OBJECT
          • V$ACTIVE_SESSION_HISTORY
          • V$DML_STATS
          • V$EVENT_NAME
          • V$LATCH
          • V$OB_ACTIVE_SESSION_HISTORY
          • V$OB_ARCHIVE_DEST_STATUS
          • V$OB_COMPACTION_DIAGNOSE_INFO
          • V$OB_COMPACTION_PROGRESS
          • V$OB_COMPACTION_SUGGESTIONS
          • V$OB_COMPATIBILITY_CONTROL
          • V$OB_CGROUP_CONFIG
          • V$OB_DTL_INTERM_RESULT_MONITOR
          • V$OB_DYNAMIC_PARTITION_TABLES
          • V$OB_ENCRYPTED_TABLES
          • V$ENCRYPTED_TABLESPACES
          • V$OB_EXTERNAL_CATALOG_CLIENT_POOL_STAT
          • V$OB_FUNCTION_IO_STAT
          • V$OB_GROUP_IO_STAT
          • V$OB_HMS_CLIENT_POOL_STAT
          • V$OB_HNWS_INDEX_INFO
          • V$OB_HNSW_INDEX_SEGMENT_INFO
          • V$OB_IVF_INDEX_INFO
          • V$OB_KVCACHE
          • V$OB_KV_CLIENT_INFO
          • V$OB_KV_GROUP_COMMIT_STATUS
          • V$OB_LOG_STAT
          • V$OB_LOG_TRANSPORT_DEST_STAT
          • V$OB_LS_LOG_RESTORE_STATUS
          • V$OB_LS_REPLICA_TASK_PLAN
          • V$OB_LS_SNAPSHOTS
          • V$OB_MEMORY
          • V$OB_MEMSTORE
          • V$OB_MEMSTORE_INFO
          • V$OB_MERGE_INFO
          • V$OB_NIC_INFO
          • V$OB_RPC_INCOMING
          • V$OB_RPC_OUTGOING
          • V$OB_PARAMETERS
          • V$OB_PLAN_CACHE_PLAN_EXPLAIN
          • V$OB_PLAN_CACHE_PLAN_STAT
          • V$OB_PLAN_CACHE_STAT
          • V$OB_PROCESSLIST
          • V$OB_PS_ITEM_INFO
          • V$OB_PS_STAT
          • V$OB_PX_P2P_DATAHUB
          • V$OB_PX_TARGET_MONITOR
          • V$OB_PX_WORKER_STAT
          • V$OB_QUERY_RESPONSE_TIME_HISTOGRAM
          • V$OB_RES_MGR_SYSSTAT
          • V$RSRC_PLAN
          • V$OB_SERVER_SCHEMA_INFO
          • V$OB_SESS_TIME_MODEL
          • V$OB_SESSION
          • V$SESSION_EVENT
          • V$OB_SHARED_STORAGE_QUOTA
          • V$OB_SINDI_INDEX_INFO
          • V$OB_SQL_AUDIT
          • V$OB_SQL_CCL_STATUS
          • V$SQL_JOIN_FILTER
          • V$OB_SQL_PLAN
          • V$OB_SQL_WORKAREA_MEMORY_INFO
          • V$OB_SQLSTAT
          • V$OB_SS_SSTABLES
          • V$OB_SSTABLES
          • V$OB_SS_LOCAL_CACHE
          • V$OB_SS_LOCAL_CACHE_DIAGNOSE
          • V$OB_SS_OBJECT_TYPE_IO_STAT
          • V$OB_STORAGE_CACHE_TASKS
          • V$OB_SYS_TIME_MODEL
          • V$OB_TABLET_COMPACTION_HISTORY
          • V$OB_TABLET_COMPACTION_PROGRESS
          • V$OB_TABLET_LOCAL_CACHE
          • V$OB_TENANT_MEMORY
          • V$OB_TENANT_RESOURCE_LIMIT
          • V$OB_TENANT_RESOURCE_LIMIT_DETAIL
          • V$OB_TIMESTAMP_SERVICE
          • V$OB_TRANSACTION_PARTICIPANTS
          • V$OB_TRANSACTION_SCHEDULERS
          • V$OB_UNITS
          • V$OB_VECTOR_MEMORY
          • V$RESTORE_POINT
          • V$SESSION_LONGOPS
          • V$SESSION_WAIT
          • V$SESSION_WAIT_HISTORY
          • V$SESSTAT
          • V$SQL_MONITOR_STATNAME
          • V$SQL_PLAN_MONITOR
          • V$SQL_WORKAREA
          • V$SQL_WORKAREA_ACTIVE
          • V$SQL_WORKAREA_HISTOGRAM
          • V$STATNAME
          • V$SYSSTAT
          • V$SYSTEM_EVENT
          • V$OB_ARBITRATION_MEMBER_INFO
          • V$OB_ARBITRATION_SERVICE_STATUS
          • V$OB_LOCKS
          • V$OB_OPT_STAT_GATHER_MONITOR
          • V$OB_THREAD
      • Oracle tenant views
        • Dictionary views
          • ALL_ALL_TABLES
          • ALL_ARGUMENTS
          • ALL_COL_COMMENTS
          • ALL_COL_PRIVS
          • ALL_COLL_TYPES
          • ALL_CONS_COLUMNS
          • ALL_CONSTRAINTS
          • ALL_DB_LINKS
          • ALL_DEF_AUDIT_OPTS
          • ALL_DEPENDENCIES
          • ALL_DIRECTORIES
          • ALL_ERRORS
          • ALL_IND_COLUMNS
          • ALL_IND_EXPRESSIONS
          • ALL_IND_PARTITIONS
          • ALL_IND_STATISTICS
          • ALL_IND_SUBPARTITIONS
          • ALL_INDEXES
          • ALL_METHOD_PARAMS
          • ALL_MVIEW_LOGS
          • ALL_MVIEWS
          • ALL_OB_EXTERNAL_TABLE_FILES
          • ALL_OBJECTS
          • ALL_PART_COL_STATISTICS
          • ALL_PART_HISTOGRAMS
          • ALL_PART_INDEXES
          • ALL_PLSQL_TYPES
          • ALL_PLSQL_COLL_TYPES
          • ALL_PLSQL_TYPE_ATTRS
          • ALL_PART_KEY_COLUMNS
          • ALL_PART_TABLES
          • ALL_POLICIES
          • ALL_POLICY_CONTEXTS
          • ALL_POLICY_GROUPS
          • ALL_PROCEDURES
          • ALL_PROFILES
          • ALL_SCHEDULER_JOB_ARGS
          • ALL_SCHEDULER_PROGRAM_ARGS
          • ALL_SCHEDULER_WINDOWS
          • ALL_SEC_RELEVANT_COLS
          • ALL_SEQUENCES
          • ALL_SOURCE
          • ALL_SUBPART_COL_STATISTICS
          • ALL_SUBPART_HISTOGRAMS
          • ALL_SUBPART_KEY_COLUMNS
          • ALL_SUBPARTITION_TEMPLATES
          • ALL_SYNONYMS
          • ALL_TAB_COL_STATISTICS
          • ALL_TAB_COLS
          • ALL_TAB_COLUMNS
          • ALL_TAB_COMMENTS
          • ALL_TAB_HISTOGRAMS
          • ALL_TAB_MODIFICATIONS
          • ALL_TAB_PARTITIONS
          • ALL_TAB_PRIVS
          • ALL_TAB_STATISTICS
          • ALL_TAB_STATS_HISTORY
          • ALL_TAB_SUBPARTITIONS
          • ALL_TABLES
          • ALL_TRIGGER_ORDERING
          • ALL_TRIGGERS
          • ALL_TYPE_ATTRS
          • ALL_TYPE_METHODS
          • ALL_TYPES
          • ALL_USERS
          • ALL_VIEWS
          • AUDIT_ACTIONS
          • DBA_ALL_TABLES
          • DBA_ARGUMENTS
          • DBA_AUDIT_EXISTS
          • DBA_AUDIT_OBJECT
          • DBA_AUDIT_SESSION
          • DBA_AUDIT_STATEMENT
          • DBA_AUDIT_TRAIL
          • DBA_COL_COMMENTS
          • DBA_COL_PRIVS
          • DBA_COLL_TYPES
          • DBA_CONS_COLUMNS
          • DBA_CONSTRAINTS
          • DBA_CONTEXT
          • DBA_DB_LINKS
          • DBA_DEPENDENCIES
          • DBA_DIRECTORIES
          • DBA_ERRORS
          • DBA_IND_COLUMNS
          • DBA_IND_EXPRESSIONS
          • DBA_IND_PARTITIONS
          • DBA_IND_STATISTICS
          • DBA_IND_SUBPARTITIONS
          • DBA_INDEX_USAGE
          • DBA_INDEXES
          • DBA_JOBS
          • DBA_JOBS_RUNNING
          • DBA_METHOD_PARAMS
          • DBA_MVIEW_DEPS
          • DBA_MVIEW_LOGS
          • DBA_MVIEW_RUNNING_JOBS
          • DBA_MVIEWS
          • DBA_MVREF_CHANGE_STATS
          • DBA_MVREF_RUN_STATS
          • DBA_MVREF_STATS
          • DBA_MVREF_STATS_PARAMS
          • DBA_MVREF_STATS_SYS_DEFAULTS
          • DBA_MVREF_STMT_STATS
          • DBA_OB_ACCESS_POINT
          • DBA_OB_ARCHIVE_DEST
          • DBA_OB_ARCHIVELOG
          • DBA_OB_ARCHIVELOG_PIECE_FILES
          • DBA_OB_ARCHIVELOG_SUMMARY
          • DBA_OB_AUX_STATISTICS
          • DBA_OB_BACKUP_DELETE_JOB_HISTORY
          • DBA_OB_BACKUP_DELETE_JOBS
          • DBA_OB_BACKUP_DELETE_POLICY
          • DBA_OB_BACKUP_DELETE_TASK_HISTORY
          • DBA_OB_BACKUP_DELETE_TASKS
          • DBA_OB_BACKUP_JOB_HISTORY
          • DBA_OB_BACKUP_JOBS
          • DBA_OB_BACKUP_PARAMETER
          • DBA_OB_BACKUP_SET_FILES
          • DBA_OB_BACKUP_STORAGE_INFO
          • DBA_OB_BACKUP_STORAGE_INFO_HISTORY
          • DBA_OB_BACKUP_TASK_HISTORY
          • DBA_OB_BACKUP_TASKS
          • DBA_OB_BACKUP_VALIDATE_JOBS
          • DBA_OB_BACKUP_VALIDATE_JOB_HISTORY
          • DBA_OB_BACKUP_VALIDATE_TASKS
          • DBA_OB_BACKUP_VALIDATE_TASK_HISTORY
          • DBA_OB_BALANCE_JOB_HISTORY
          • DBA_OB_BALANCE_JOBS
          • DBA_OB_BALANCE_TASK_HISTORY
          • DBA_OB_BALANCE_TASKS
          • DBA_OB_CONCURRENT_LIMIT_SQL
          • DBA_OB_CS_REPLICA_STATS
          • DBA_OB_CCL_RULES
          • DBA_OB_DATA_DICTIONARY_IN_LOG
          • DBA_OB_DATABASE_PRIVILEGE
          • DBA_OB_DATABASES
          • DBA_OB_DEADLOCK_EVENT_HISTORY
          • DBA_OB_DYNAMIC_PARTITION_TABLES
          • DBA_OB_EXTERNAL_TABLE_FILES
          • DBA_OB_FORMAT_OUTLINES
          • DBA_OB_FREEZE_INFO
          • DBA_OB_IMPORT_TABLE_JOB_HISTORY
          • DBA_OB_IMPORT_TABLE_JOBS
          • DBA_OB_IMPORT_TABLE_TASK_HISTORY
          • DBA_OB_IMPORT_TABLE_TASKS
          • DBA_OB_LOG_RESTORE_SOURCE
          • DBA_OB_LS
          • DBA_OB_LS_ARB_REPLICA_TASKS
          • DBA_OB_LS_ARB_REPLICA_TASK_HISTORY
          • DBA_OB_LS_HISTORY
          • DBA_OB_LS_LOCATIONS
          • DBA_OB_LS_LOG_ARCHIVE_PROGRESS
          • DBA_OB_SENSITIVE_COLUMNS
          • DBA_OB_SENSITIVE_RULE_PLAINACCESS_USERS
          • DBA_OB_SENSITIVE_RULES
          • DBA_OB_SERVICES
          • DBA_OB_LS_REPLICA_TASKS
          • DBA_OB_LS_REPLICA_TASK_HISTORY
          • DBA_OB_MAJOR_COMPACTION
          • DBA_OB_OBJECT_BALANCE_WEIGHT
          • DBA_OB_OUTLINE_CONCURRENT_HISTORY
          • DBA_OB_OUTLINES
          • DBA_OB_RECOVER_TABLE_JOB_HISTORY
          • DBA_OB_RECOVER_TABLE_JOBS
          • DBA_OB_RESTORE_HISTORY
          • DBA_OB_RESTORE_PROGRESS
          • DBA_OB_RSRC_IO_DIRECTIVES
          • DBA_OB_RSRC_DIRECTIVES
          • DBA_OB_SPATIAL_COLUMNS
          • oceanbase.DBA_OB_SS_SPACE_USAGE
          • DBA_OB_STORAGE_IO_USAGE
          • DBA_OB_SYS_VARIABLES
          • DBA_OB_TABLE_LOCATIONS
          • DBA_OB_TABLE_OPT_STAT_GATHER_HISTORY
          • DBA_OB_TABLE_STAT_STALE_INFO
          • DBA_OB_TABLEGROUP_PARTITIONS
          • DBA_OB_TABLEGROUP_SUBPARTITIONS
          • DBA_OB_TABLEGROUP_TABLES
          • DBA_OB_TABLEGROUPS
          • DBA_OB_TABLET_REPLICAS
          • DBA_OB_TABLET_TO_LS
          • DBA_OB_TASK_OPT_STAT_GATHER_HISTORY
          • DBA_OB_TENANT_EVENT_HISTORY
          • DBA_OB_TENANT_FLASHBACK_LOG_SCN
          • DBA_OB_TEMP_FILES
          • DBA_OB_TENANTS
          • DBA_OB_TRANSFER_PARTITION_TASKS
          • DBA_PLSQL_TYPES
          • DBA_PLSQL_COLL_TYPES
          • DBA_PLSQL_TYPE_ATTRS
          • DBA_OB_TRANSFER_PARTITION_TASK_HISTORY
          • DBA_OB_TRANSFER_TASK_HISTORY
          • DBA_OB_TRANSFER_TASKS
          • DBA_OB_TTL_TASKS
          • DBA_OB_TTL_TASK_HISTORY
          • DBA_OB_USER_DEFINED_RULES
          • DBA_OB_ZONE_MAJOR_COMPACTION
          • DBA_OBJ_AUDIT_OPTS
          • DBA_OBJECTS
          • DBA_PART_COL_STATISTICS
          • DBA_PART_HISTOGRAMS
          • DBA_PART_INDEXES
          • DBA_PART_KEY_COLUMNS
          • DBA_PART_TABLES
          • DBA_POLICIES
          • DBA_POLICY_CONTEXTS
          • DBA_POLICY_GROUPS
          • DBA_PROCEDURES
          • DBA_PROFILES
          • DBA_RECYCLEBIN
          • DBA_ROLE_PRIVS
          • DBA_ROLES
          • DBA_RSRC_CONSUMER_GROUPS
          • DBA_RSRC_GROUP_MAPPINGS
          • DBA_RSRC_PLAN_DIRECTIVES
          • DBA_RSRC_PLANS
          • DBA_SCHEDULER_JOB_ARGS
          • DBA_SCHEDULER_JOB_RUN_DETAILS
          • DBA_SCHEDULER_JOBS
          • DBA_SCHEDULER_PROGRAM
          • DBA_SCHEDULER_PROGRAM_ARGS
          • DBA_SCHEDULER_WINDOWS
          • DBA_SEC_RELEVANT_COLS
          • DBA_SEGMENTS
          • DBA_SEQUENCES
          • DBA_SOURCE
          • DBA_SQL_MANAGEMENT_CONFIG
          • DBA_SQL_PLAN_BASELINES
          • DBA_STMT_AUDIT_OPTS
          • DBA_SUBPART_COL_STATISTICS
          • DBA_SUBPART_HISTOGRAMS
          • DBA_SUBPART_KEY_COLUMNS
          • DBA_SUBPARTITION_TEMPLATES
          • DBA_SYNONYMS
          • DBA_SYS_PRIVS
          • DBA_TAB_COL_STATISTICS
          • DBA_TAB_COLS
          • DBA_TAB_COLUMNS
          • DBA_TAB_COMMENTS
          • DBA_TAB_HISTOGRAMS
          • DBA_TAB_MODIFICATIONS
          • DBA_TAB_PARTITIONS
          • DBA_TAB_PRIVS
          • DBA_TAB_STATISTICS
          • DBA_TAB_STATS_HISTORY
          • DBA_TAB_SUBPARTITIONS
          • DBA_TABLES
          • DBA_TABLESPACES
          • DBA_OB_TABLE_SPACE_USAGE
          • DBA_TRIGGER_ORDERING
          • DBA_TRIGGERS
          • DBA_TYPE_ATTRS
          • DBA_TYPE_METHODS
          • DBA_TYPES
          • DBA_USERS
          • DBA_VIEWS
          • DBA_WR_ACTIVE_SESSION_HISTORY
          • DBA_WR_CONTROL
          • DBA_WR_EVENT_NAME
          • DBA_WR_SNAPSHOT
          • DBA_WR_SQLSTAT
          • DBA_WR_SQLTEXT
          • DBA_WR_STATNAME
          • DBA_WR_SYS_TIME_MODEL
          • DBA_WR_SYSSTAT
          • DBA_WR_SYSTEM_EVENT
          • DBMS_LOCK_ALLOCATED
          • DICT
          • DICTIONARY
          • NLS_DATABASE_PARAMETERS
          • NLS_INSTANCE_PARAMETERS
          • NLS_SESSION_PARAMETERS
          • PROXY_USERS
          • ROLE_ROLE_PRIVS
          • ROLE_SYS_PRIVS
          • ROLE_TAB_PRIVS
          • STMT_AUDIT_OPTION_MAP
          • TENANT_VIRTUAL_GLOBAL_VARIABLE
          • TENANT_VIRTUAL_SESSION_VARIABLE
          • USER_ALL_TABLES
          • USER_ARGUMENTS
          • USER_AUDIT_OBJECT
          • USER_AUDIT_SESSION
          • USER_AUDIT_STATEMENT
          • USER_AUDIT_TRAIL
          • USER_COL_COMMENTS
          • USER_COL_PRIVS
          • USER_COLL_TYPES
          • USER_CONS_COLUMNS
          • USER_CONSTRAINTS
          • USER_DB_LINKS
          • USER_DEPENDENCIES
          • USER_ERRORS
          • USER_IND_COLUMNS
          • USER_IND_EXPRESSIONS
          • USER_IND_PARTITIONS
          • USER_IND_STATISTICS
          • USER_IND_SUBPARTITIONS
          • USER_INDEXES
          • USER_PLSQL_TYPES
          • USER_PLSQL_COLL_TYPES
          • USER_PLSQL_TYPE_ATTRS
          • USER_JOBS
          • USER_MVIEW_LOGS
          • USER_MVIEWS
          • USER_MVREF_CHANGE_STATS
          • USER_MVREF_RUN_STATS
          • USER_MVREF_STATS
          • USER_MVREF_STATS_PARAMS
          • USER_MVREF_STATS_SYS_DEFAULTS
          • USER_MVREF_STMT_STATS
          • USER_OBJECTS
          • USER_PART_COL_STATISTICS
          • USER_PART_HISTOGRAMS
          • USER_PART_INDEXES
          • USER_PART_KEY_COLUMNS
          • USER_PART_TABLES
          • USER_POLICIES
          • USER_POLICY_CONTEXTS
          • USER_POLICY_GROUPS
          • USER_PROCEDURES
          • USER_PROFILES
          • USER_RECYCLEBIN
          • USER_ROLE_PRIVS
          • USER_SCHEDULER_JOB_ARGS
          • USER_SCHEDULER_PROGRAM_ARGS
          • USER_SEC_RELEVANT_COLS
          • USER_SEGMENTS
          • USER_SEQUENCES
          • USER_SOURCE
          • USER_SUBPART_COL_STATISTICS
          • USER_SUBPART_HISTOGRAMS
          • USER_SUBPART_KEY_COLUMNS
          • USER_SUBPARTITION_TEMPLATES
          • USER_SYNONYMS
          • USER_SYS_PRIVS
          • USER_TAB_COL_STATISTICS
          • USER_TAB_COLS
          • USER_TAB_COLUMNS
          • USER_TAB_COMMENTS
          • USER_TAB_HISTOGRAMS
          • USER_TAB_MODIFICATIONS
          • USER_TAB_PARTITIONS
          • USER_TAB_PRIVS
          • USER_TAB_STATISTICS
          • USER_TAB_STATS_HISTORY
          • USER_TAB_SUBPARTITIONS
          • USER_TABLES
          • USER_TABLESPACES
          • USER_TRIGGER_ORDERING
          • USER_TRIGGERS
          • USER_TYPE_ATTRS
          • USER_TYPE_METHODS
          • USER_TYPES
          • USER_USERS
          • USER_VIEWS
        • Performance views
          • GV$ACTIVE_SESSION_HISTORY
          • GV$DBLINK
          • GV$DML_STATS
          • GV$GLOBAL_TRANSACTION
          • GV$INSTANCE
          • GV$OB_ACTIVE_SESSION_HISTORY
          • GV$OB_ARBITRATION_MEMBER_INFO
          • GV$OB_COMPACTION_DIAGNOSE_INFO
          • GV$OB_COMPACTION_PROGRESS
          • GV$OB_COMPACTION_SUGGESTIONS
          • GV$OB_CGROUP_CONFIG
          • GV$OB_DTL_INTERM_RESULT_MONITOR
          • GV$OB_FLT_TRACE_CONFIG
          • GV$OB_FUNCTION_IO_STAT
          • GV$OB_GLOBAL_TRANSACTION
          • GV$OB_GROUP_IO_STAT
          • GV$OB_HMS_CLIENT_POOL_STAT
          • GV$OB_KVCACHE
          • GV$OB_LOG_STAT
          • GV$OB_LOG_TRANSPORT_DEST_STAT
          • GV$OB_LS_SNAPSHOTS
          • GV$OB_MEMORY
          • GV$OB_MEMSTORE
          • GV$OB_MEMSTORE_INFO
          • GV$OB_NIC_INFO
          • GV$OB_OPT_STAT_GATHER_MONITOR
          • GV$OB_PARAMETERS
          • GV$OB_PLAN_CACHE_PLAN_EXPLAIN
          • GV$OB_PL_CACHE_OBJECT
          • GV$OB_PLAN_CACHE_PLAN_STAT
          • GV$OB_PLAN_CACHE_STAT
          • GV$OB_PROCESSLIST
          • GV$OB_PS_ITEM_INFO
          • GV$OB_PS_STAT
          • GV$OB_PX_P2P_DATAHUB
          • GV$OB_PX_TARGET_MONITOR
          • GV$OB_PX_WORKER_STAT
          • GV$OB_QUERY_RESPONSE_TIME_HISTOGRAM
          • GV$OB_RES_MGR_SYSSTAT
          • GV$OB_SERVER_SCHEMA_INFO
          • GV$OB_SESS_TIME_MODEL
          • GV$OB_SESSION
          • GV$OB_SHARED_STORAGE_QUOTA
          • GV$OB_SQL_AUDIT
          • GV$OB_SQL_CCL_STATUS
          • GV$SQL_JOIN_FILTER
          • GV$OB_SQL_PLAN
          • GV$OB_SQL_WORKAREA_MEMORY_INFO
          • GV$OB_SQLSTAT
          • GV$OB_SSTABLES
          • GV$OB_SS_LOCAL_CACHE
          • GV$OB_SYS_TIME_MODEL
          • GV$OB_TABLET_COMPACTION_HISTORY
          • GV$OB_TABLET_COMPACTION_PROGRESS
          • GV$OB_TENANT_MEMORY
          • GV$OB_TENANT_RESOURCE_LIMIT
          • GV$OB_TENANT_RESOURCE_LIMIT_DETAIL
          • GV$OB_TRANSACTION_PARTICIPANTS
          • GV$OB_TRANSACTION_SCHEDULERS
          • GV$OB_UNITS
          • GV$OB_RESULT_CACHE_OBJECTS
          • GV$OPEN_CURSOR
          • GV$SESSION_WAIT
          • GV$SESSION_WAIT_HISTORY
          • GV$SESSTAT
          • GV$SQL_PLAN_MONITOR
          • GV$SQL_WORKAREA
          • GV$SQL_WORKAREA_ACTIVE
          • GV$SQL_WORKAREA_HISTOGRAM
          • GV$SYSSTAT
          • GV$SYSTEM_EVENT
          • GV$OB_ARBITRATION_SERVICE_STATUS
          • GV$OB_LOCKS
          • GV$OB_THREAD
          • V$ACTIVE_SESSION_HISTORY
          • V$DBLINK
          • V$DML_STATS
          • V$OB_ENCRYPTED_TABLES
          • V$ENCRYPTED_TABLESPACES
          • V$EVENT_NAME
          • V$GLOBAL_TRANSACTION
          • V$GLOBALCONTEXT
          • V$INSTANCE
          • V$OB_MEMORY
          • V$OB_MEMSTORE
          • V$NLS_PARAMETERS
          • V$OB_ACTIVE_SESSION_HISTORY
          • V$OB_ARBITRATION_MEMBER_INFO
          • V$OB_ARCHIVE_DEST_STATUS
          • V$OB_COMPACTION_DIAGNOSE_INFO
          • V$OB_COMPACTION_PROGRESS
          • V$OB_COMPACTION_SUGGESTIONS
          • V$OB_CGROUP_CONFIG
          • V$OB_DTL_INTERM_RESULT_MONITOR
          • V$OB_DYNAMIC_PARTITION_TABLES
          • V$OB_FUNCTION_IO_STAT
          • V$OB_GLOBAL_TRANSACTION
          • V$OB_GROUP_IO_STAT
          • V$OB_HMS_CLIENT_POOL_STAT
          • V$OB_KVCACHE
          • V$OB_LOG_STAT
          • V$OB_LOG_TRANSPORT_DEST_STAT
          • V$OB_LS_LOG_RESTORE_STATUS
          • V$OB_LS_SNAPSHOTS
          • V$OB_MEMSTORE_INFO
          • V$OB_NIC_INFO
          • V$OB_OPT_STAT_GATHER_MONITOR
          • V$OB_PARAMETERS
          • V$OB_PL_CACHE_OBJECT
          • V$OB_PROCESSLIST
          • V$OB_PX_P2P_DATAHUB
          • V$OB_PX_TARGET_MONITOR
          • V$OB_PX_WORKER_STAT
          • V$OB_QUERY_RESPONSE_TIME_HISTOGRAM
          • V$OB_RES_MGR_SYSSTAT
          • V$OB_RESULT_CACHE_OBJECTS
          • V$OB_SERVER_SCHEMA_INFO
          • V$OB_SESS_TIME_MODEL
          • V$OB_SESSION
          • V$OB_SHARED_STORAGE_QUOTA
          • V$OB_SQL_PLAN
          • V$OB_SQL_WORKAREA_MEMORY_INFO
          • V$OB_SQLSTAT
          • V$OB_SS_LOCAL_CACHE
          • V$OB_SYS_TIME_MODEL
          • V$OB_TABLET_COMPACTION_HISTORY
          • V$OB_TABLET_COMPACTION_PROGRESS
          • V$OB_TENANT_RESOURCE_LIMIT
          • V$OB_TENANT_RESOURCE_LIMIT_DETAIL
          • V$OB_TIMESTAMP_SERVICE
          • V$OB_TRANSACTION_PARTICIPANTS
          • V$OB_TRANSACTION_SCHEDULERS
          • V$OB_UNITS
          • V$OPEN_CURSOR
          • V$OB_PLAN_CACHE_PLAN_EXPLAIN
          • V$OB_PLAN_CACHE_PLAN_STAT
          • V$OB_PLAN_CACHE_STAT
          • V$OB_PS_ITEM_INFO
          • V$OB_PS_STAT
          • V$RSRC_PLAN
          • V$SESSION_WAIT
          • V$SESSION_WAIT_HISTORY
          • V$SESSTAT
          • V$OB_SQL_AUDIT
          • V$OB_SQL_CCL_STATUS
          • V$SQL_JOIN_FILTER
          • V$SQL_MONITOR_STATNAME
          • V$SQL_PLAN_MONITOR
          • V$SQL_WORKAREA
          • V$SQL_WORKAREA_ACTIVE
          • V$SQL_WORKAREA_HISTOGRAM
          • V$OB_SS_SSTABLES
          • V$OB_SSTABLES
          • V$RESTORE_POINT
          • V$STATNAME
          • V$SYSSTAT
          • V$SYSTEM_EVENT
          • V$OB_TENANT_MEMORY
          • V$TIMEZONE_NAMES
          • V$VERSION
          • V$OB_ARBITRATION_SERVICE_STATUS
          • V$OB_LOCKS
          • V$OB_LS_REPLICA_TASK_PLAN
          • V$OB_THREAD
      • Overview of metrics
      • Common wait events
    • Parameters and system variables
      • Overview of configuration parameters and system variables
      • Changes in V3.x and V4.x configuration items and system variables
      • Parameters
        • Overview
        • Cluster-level parameters
          • alert_log_level
          • all_cluster_list
          • all_server_list
          • arbitration_degradation_policy
          • auto_broadcast_location_cache_rate_limit
          • auto_leader_switch_interval
          • auto_refresh_location_cache_rate_limit
          • autoinc_cache_refresh_interval
          • async_ps_cursor_max_count
          • backup_backup_dest
          • backup_backup_dest_option
          • backup_concurrency
          • backup_dest
          • backup_dest_option
          • backup_log_archive_option
          • backup_net_limit
          • backup_recovery_window
          • backup_region
          • backup_zone
          • balance_blacklist_failure_threshold
          • balance_blacklist_retry_interval
          • balancer_emergency_percentage
          • balancer_log_interval
          • balancer_task_timeout
          • balancer_timeout_check_interval
          • system_protected_sys_variables
          • system-protected-tenant-parameters
          • balancer_tolerance_percentage
          • bf_cache_miss_count_threshold
          • bf_cache_priority
          • builtin_db_data_verify_cycle
          • cache_wash_threshold
          • clog_cache_priority
          • clog_disk_usage_limit_percentage
          • clog_disk_utilization_threshold
          • clog_expire_days
          • clog_io_isolation_mode
          • clog_sync_time_warn_threshold
          • clog_transport_compress_func
          • cluster
          • cluster_id
          • config_additional_dir
          • cpu_count
          • cpu_reserved
          • data_copy_concurrency
          • data_dir
          • data_disk_usage_limit_percentage
          • data_disk_write_limit_percentage
          • data_storage_error_tolerance_time
          • data_storage_warning_tolerance_time
          • datafile_disk_percentage
          • datafile_maxsize
          • datafile_next
          • datafile_size
          • dead_socket_detection_timeout
          • debug_sync_timeout
          • default_compress
          • default_compress_func
          • default_row_format
          • default_transport_compress_func
          • devname
          • diag_syslog_per_error_limit
          • disk_io_thread_count
          • dtl_buffer_size
          • election_blacklist_interval
          • election_cpu_quota
          • enable_asan_for_memory_context
          • enable_async_syslog
          • enable_auto_leader_switch
          • enable_auto_refresh_location_cache
          • enable_cgroup
          • enable_dblink
          • enable_ddl
          • enable_election_group
          • enable_global_background_resource_isolation
          • enable_global_freeze_trigger
          • enable_log_archive
          • enable_logservice
          • enable_major_freeze
          • enable_manual_merge
          • enable_merge_by_turn
          • enable_ob_error_msg_style
          • enable_ob_esi_process
          • enable_ob_ratelimit
          • enable_one_phase_commit
          • enable_perf_event
          • enable_pg
          • enable_record_trace_id
          • enable_record_trace_log
          • enable_rereplication
          • enable_rich_error_msg
          • enable_rootservice_standalone
          • enable_rpc_authentication_bypass
          • enable_separate_sys_clog
          • enable_smooth_leader_switch
          • enable_sql_audit
          • enable_sql_operator_dump
          • enable_sys_table_ddl
          • enable_sys_unit_standalone
          • enable_syslog_recycle
          • enable_syslog_wf
          • enable_tcp_keepalive
          • enable_upgrade_mode
          • external_table_disk_cache_max_percentage
          • fast_recovery_concurrency
          • flush_log_at_trx_commit
          • fuse_row_cache_priority
          • gc_wait_archive
          • get_leader_candidate_rpc_timeout
          • global_background_cpu_quota
          • global_index_build_single_replica_timeout
          • global_major_freeze_residual_memory
          • global_write_halt_residual_memory
          • high_priority_net_thread_count
          • ignore_replay_checksum_error
          • ignore_replica_checksum_error
          • ilog_index_expire_time
          • index_block_cache_priority
          • index_cache_priority
          • index_clog_cache_priority
          • index_info_block_cache_priority
          • internal_sql_execute_timeout
          • large_query_threshold
          • large_query_worker_percentage
          • leak_mod_to_check
          • lease_time
          • local_ip
          • location_cache_cpu_quota
          • location_cache_expire_time
          • location_cache_priority
          • location_cache_refresh_min_interval
          • location_cache_refresh_rpc_timeout
          • location_cache_refresh_sql_timeout
          • location_fetch_concurrency
          • location_refresh_thread_count
          • log_archive_batch_buffer_limit
          • log_archive_checkpoint_interval
          • log_disk_percentage
          • log_disk_size
          • logservice_access_point
          • log_storage_warning_trigger_percentage
          • log_storage_warning_tolerance_time
          • ls_meta_table_check_interval
          • max_kept_major_version_number
          • max_px_worker_count
          • max_string_print_length
          • max_syslog_file_count
          • memory_chunk_cache_size
          • memory_limit
          • memory_limit_percentage
          • memory_reserved
          • memstore_limit_percentage
          • merge_stat_sampling_ratio
          • merge_thread_count
          • merger_completion_percentage
          • merger_switch_leader_duration_time
          • merger_warm_up_duration_time
          • micro_block_merge_verify_level
          • migrate_concurrency
          • migration_disable_time
          • min_observer_version
          • minor_deferred_gc_time
          • minor_freeze_times
          • minor_merge_concurrency
          • minor_warm_up_duration_time
          • multiblock_read_gap_size
          • multiblock_read_size
          • mysql_port
          • net_thread_count
          • ob_esi_io_concurrency
          • ob_esi_max_syslog_file_count
          • ob_esi_memory_limit
          • ob_esi_rpc_port
          • ob_esi_session_timeout
          • ob_esi_syslog_level
          • ob_event_history_recycle_interval
          • ob_ratelimit_stat_period
          • ob_startup_mode
          • ob_python_home
          • obconfig_url
          • observer_id
          • ob_storage_s3_url_encode_type
          • ob_enable_java_env
          • ob_enable_utl_tcp
          • ob_java_home
          • ob_java_connector_path
          • ob_java_opts
          • ob_enable_utl_http
          • ofs_list
          • opt_tab_stat_cache_priority
          • partition_table_check_interval
          • plan_cache_evict_interval
          • plan_cache_high_watermark
          • plan_cache_low_watermark
          • px_task_size
          • rebuild_replica_data_lag_threshold
          • recyclebin_object_expire_time
          • replica_safe_remove_time
          • resource_hard_limit
          • resource_soft_limit
          • restore_concurrency
          • rootservice_async_task_queue_size
          • rootservice_async_task_thread_count
          • rootservice_list
          • rootservice_memory_limit
          • rootservice_ready_check_interval
          • row_compaction_update_limit
          • row_purge_thread_count
          • rpc_client_authentication_method
          • rpc_port
          • rpc_server_authentication_method
          • rpc_timeout
          • schema_history_expire_time
          • schema_history_recycle_interval
          • server_balance_cpu_mem_tolerance_percent
          • server_balance_critical_disk_waterlevel
          • server_balance_disk_tolerance_percent
          • server_check_interval
          • server_cpu_quota_max
          • server_cpu_quota_min
          • server_data_copy_in_concurrency
          • server_data_copy_out_concurrency
          • server_permanent_offline_time
          • sql_audit_memory_limit
          • sql_login_thread_count
          • sql_net_thread_count
          • sql_protocol_min_tls_version
          • ssl_client_authentication
          • ssl_external_kms_info
          • stack_size
          • standby_fetch_log_bandwidth_limit
          • storage_meta_cache_priority
          • strict_check_os_params
          • switchover_process_thread_count
          • sync_io_thread_count
          • sys_bkgd_io_high_percentage
          • sys_bkgd_io_low_percentage
          • sys_bkgd_migration_change_member_list_timeout
          • sys_bkgd_migration_retry_num
          • sys_bkgd_net_percentage
          • sys_cpu_limit_trigger
          • syslog_compress_func
          • syslog_disk_size
          • syslog_file_uncompressed_count
          • syslog_io_bandwidth_limit
          • syslog_level
          • system_cpu_quota
          • system_memory
          • system_trace_level
          • kv_transport_compress_func
          • tablet_ls_cache_priority
          • tablet_meta_table_check_interval
          • tablet_meta_table_scan_batch_count
          • tablet_size
          • tcp_keepcnt
          • tcp_keepidle
          • tcp_keepintvl
          • tenant_cpu_variation_per_server
          • tenant_groups
          • tenant_task_queue_size
          • token_reserved_percentage
          • trace_log_sampling_interval
          • trace_log_slow_query_watermark
          • trx_2pc_retry_interval
          • trx_force_kill_threshold
          • trx_try_wait_lock_timeout
          • unit_balance_resource_weight
          • unit_gc_wait_time
          • use_large_pages
          • user_block_cache_priority
          • user_iort_up_percentage
          • user_row_cache_priority
          • user_tab_col_stat_cache_priority
          • virtual_table_location_cache_expire_time
          • wait_leader_batch_count
          • weak_read_version_refresh_interval
          • workers_per_cpu_quota
          • zone
          • zone_merge_concurrency
          • zone_merge_order
          • zone_merge_timeout
        • Tenant-level parameters
          • arbitration_timeout
          • archive_lag_target
          • audit_log_buffer_size
          • audit_log_compression
          • attach_shared_sstable_thread_score
          • audit_log_enable
          • audit_log_format
          • audit_log_max_size
          • audit_log_path
          • audit_log_prune_seconds
          • audit_log_query_sql
          • audit_log_rotate_on_size
          • audit_log_strategy
          • audit_sys_operations
          • audit_trail
          • auto_split_tablet_size
          • backup_data_file_size
          • balancer_idle_time
          • choose_migration_source_policy
          • clog_max_unconfirmed_log_count
          • clog_persistence_compress_func
          • compaction_dag_cnt_limit
          • compaction_high_thread_score
          • compaction_low_thread_score
          • compaction_mid_thread_score
          • compaction_schedule_tablet_batch_cnt
          • compatible
          • connection_control_failed_connections_threshold
          • connection_control_max_connection_delay
          • connection_control_min_connection_delay
          • cpu_quota_concurrency
          • ddl_thread_score
          • default_auto_increment_mode
          • default_delta_format
          • default_enable_extended_rowid
          • default_load_mode
          • default_micro_block_format_version
          • default_progressive_merge_num
          • default_skip_index_level
          • default_storage_cache_policy
          • default_table_merge_engine
          • default_table_organization
          • default_table_store_format
          • direct_load_allow_fallback
          • ddl_high_thread_score
          • document_ai_file_max_size
          • dump_data_dictionary_to_log_interval
          • enable_adaptive_plan_cache
          • enable_auto_split
          • enable_clog_persistence_compress
          • enable_database_sharding_none
          • enable_early_lock_release
          • enable_pl_rich_error_msg
          • enable_gts_standalone
          • enable_kv_group_commit
          • enable_kv_ttl
          • enable_lock_priority
          • enable_manual_storage_cache_policy
          • enable_mlog_auto_maintenance
          • enable_monotonic_weak_read
          • enable_mv_binlog_minimal_mode
          • enable_ls_leader_balance
          • enable_rebalance
          • enable_sql_extension
          • enable_transfer
          • enable_ttl
          • enable_user_defined_rewrite_rules
          • enable_window_compaction
          • external_kms_info
          • external_table_io_hole_size
          • external_table_io_range_size
          • external_table_csv_max_buffer_size
          • ob_vector_search_strategy
          • freeze_trigger_percentage
          • global_index_auto_split_policy
          • ha_high_thread_score
          • ha_low_thread_score
          • ha_mid_thread_score
          • inc_sstable_upload_thread_score
          • io_category_config
          • job_queue_processes
          • json_document_max_depth
          • kv_ttl_duty_duration
          • kv_group_commit_batch_size
          • kv_group_commit_rw_mode
          • kv_hbase_client_scanner_timeout_period
          • kv_ttl_delete_max_ops
          • kv_ttl_history_recycle_interval
          • load_data_diagnosis_log_compression
          • load_data_diagnosis_log_max_size
          • load_vector_index_on_follower
          • lob_enable_block_cache_threshold
          • log_archive_concurrency
          • log_disk_throttling_maximum_duration
          • log_disk_throttling_percentage
          • log_disk_utilization_limit_threshold
          • log_disk_utilization_threshold
          • log_restore_concurrency
          • log_storage_compress_all
          • log_storage_compress_func
          • log_transport_compress_all
          • log_transport_compress_func
          • ls_gc_delay_time
          • ls_scale_out_factor
          • major_compact_trigger
          • major_freeze_duty_time
          • max_partition_num
          • max_stale_time_for_weak_consistency
          • mds_compaction_high_thread_score
          • mds_compaction_mid_thread_score
          • mds_minor_compact_trigger
          • merger_check_interval
          • minor_compact_trigger
          • mlog_trim_interval
          • model_max_retries
          • model_request_timeout
          • ob_compaction_schedule_interval
          • ob_enable_batched_multi_statement
          • ob_encoding_granularity
          • ob_enable_java_udf
          • ob_enable_python_udf
          • ob_proxy_readonly_transaction_routing_policy
          • ob_query_switch_leader_retry_timeout
          • ob_ssl_invited_common_names
          • ob_vector_index_active_segment_max_size
          • ob_vector_index_merge_trigger_percentage
          • ob_vector_memory_limit_percentage
          • open_cursors
          • optimizer_index_cost_adj
          • partition_balance_schedule_interval
          • plsql_code_type
          • plsql_debug
          • plsql_optimize_level
          • plsql_v2_compatibility
          • px_node_policy
          • package_state_sync_max_size
          • px_target_high_watermark
          • px_target_low_watermark
          • px_target_workers_per_cpu
          • px_workers_per_cpu_quota
          • query_memory_limit_percentage
          • query_response_time_flush
          • query_response_time_range_base
          • query_response_time_stats
          • range_optimizer_max_mem_size
          • recover_table_concurrency
          • recover_table_dop
          • replica_parallel_migration_mode
          • result_cache_max_size
          • result_cache_max_result
          • rest_oauth2_credential_refresh_interval
          • rest_oauth2_credential_evict_time
          • ob_result_cache_evict_percentage
          • ob_deterministic_udf_cache_max_size
          • rpc_memory_limit_percentage
          • shared_log_retention
          • spill_compression_codec
          • sql_func_extension_mode
          • sql_work_area
          • standby_db_fetch_log_rpc_timeout
          • standby_db_preferred_upstream_log_region
          • sts_credential
          • storage_cache_clean_macro_interval
          • tde_method
          • tenant_sql_login_thread_count
          • tenant_sql_net_thread_count
          • temporary_file_max_disk_size
          • storage_rowsets_size
          • suspend_storage_cache_task
          • ttl_duty_time
          • ttl_thread_score
          • undo_retention
          • vector_index_memory_saving_mode
          • vector_index_optimize_duty_time
          • vector_index_optimize_duty_time
          • workarea_size_policy
          • writing_throttling_maximum_duration
          • writing_throttling_trigger_percentage
          • zone_deploy_mode
      • System variables
        • Overview
        • Global variables
          • ap_query_cost_threshold
          • ap_query_route_policy
          • ap_query_replica_fallback
          • activate_all_roles_on_login
          • auto_increment_cache_size
          • auto_increment_increment
          • auto_increment_offset
          • autocommit
          • automatic_sp_privileges
          • binlog_row_image
          • block_encryption_mode
          • character_set_client
          • character_set_connection
          • cardinality_estimation_model
          • character_set_database
          • character_set_filesystem
          • character_set_results
          • character_set_server
          • character_set_system
          • collation_connection
          • collation_database
          • collation_server
          • connect_timeout
          • cte_max_recursion_depth
          • cursor_sharing
          • datadir
          • default_password_lifetime
          • default_storage_engine
          • div_precision_increment
          • error_on_overlap_time
          • event_scheduler
          • explicit_defaults_for_timestamp
          • ENABLE_OPTIMIZER_ROWGOAL
          • foreign_key_checks
          • group_concat_max_len
          • identity
          • init_connect
          • innodb_stats_persistent
          • innodb_strict_mode
          • interactive_timeout
          • license
          • lc_time_names
          • log_row_value_options
          • long_query_time
          • lower_case_table_names
          • max_allowed_packet
          • max_connections
          • max_sp_recursion_depth
          • max_user_connections
          • mview_refresh_dop
          • net_buffer_length
          • net_read_timeout
          • net_write_timeout
          • nls_calendar
          • nls_characterset
          • nls_comp
          • nls_currency
          • nls_date_format
          • nls_date_language
          • nls_dual_currency
          • nls_iso_currency
          • nls_length_semantics
          • nls_nchar_characterset
          • nls_nchar_conv_excp
          • nls_numeric_characters
          • nls_sort
          • nls_territory
          • nls_timestamp_format
          • nls_timestamp_tz_format
          • ob_bnl_join_cache_size
          • ob_compatibility_mode
          • ob_compatibility_control
          • ob_compatibility_version
          • ob_create_table_strict_mode
          • ob_default_lob_inrow_threshold
          • ob_default_replica_num
          • ob_early_lock_release
          • ob_enable_ps_parameter_anonymous_block
          • ob_enable_pl_async_commit
          • ob_enable_aggregation_pushdown
          • ob_enable_blk_nestedloop_join
          • ob_enable_hash_group_by
          • ob_enable_index_direct_select
          • ob_enable_jit
          • ob_enable_pl_cache
          • ob_enable_plan_cache
          • ob_enable_rich_error_msg
          • ob_enable_sql_audit
          • ob_enable_transformation
          • ob_enable_transmission_checksum
          • ob_enable_truncate_flashback
          • ob_global_debug_sync
          • ob_log_level
          • ob_max_read_stale_time
          • ob_pl_block_timeout
          • ob_plan_cache_evict_high_percentage
          • ob_plan_cache_evict_low_percentage
          • ob_plan_cache_percentage
          • ob_proxy_global_variables_version
          • ob_query_timeout
          • ob_read_consistency
          • ob_reserved_meta_memory_percentage
          • ob_route_policy
          • ob_sql_audit_percentage
          • ob_sql_work_area_percentage
          • ob_table_access_policy
          • ob_tcp_invited_nodes
          • ob_temp_tablespace_size_percentage
          • ob_timestamp_service
          • ob_trx_idle_timeout
          • ob_trx_lock_timeout
          • ob_trx_timeout
          • optimizer_capture_sql_plan_baselines
          • ob_security_version
          • optimizer_dynamic_sampling
          • optimizer_features_enable
          • optimizer_use_sql_plan_baselines
          • parallel_degree_limit
          • parallel_degree_policy
          • parallel_max_servers
          • parallel_min_scan_time_threshold
          • parallel_servers_target
          • performance_schema
          • plugin_dir
          • plsql_ccflags
          • pid_file
          • query_cache_size
          • plsql_optimize_level
          • plsql_can_transform_sql_to_assign
          • port
          • query_cache_type
          • query_rewrite_enabled
          • query_rewrite_integrity
          • read_only
          • recyclebin
          • regexp_stack_limit
          • regexp_time_limit
          • resource_manager_plan
          • socket
          • runtime_bloom_filter_max_size
          • runtime_filter_max_in_num
          • runtime_filter_type
          • runtime_filter_wait_time_ms
          • secure_file_priv
          • server_uuid
          • sql_auto_is_null
          • sql_mode
          • sql_quote_show_create
          • sql_safe_updates
          • sql_select_limit
          • sql_throttle_current_priority
          • sql_throttle_network
          • sql_throttle_priority
          • sql_throttle_rt
          • SQL_TRANSPILER
          • sql_warnings
          • system_time_zone
          • time_zone
          • transaction_isolation
          • transaction_read_only
          • tx_isolation
          • tx_read_only
          • validate_password_check_user_name
          • validate_password_length
          • validate_password_mixed_case_count
          • validate_password_number_count
          • validate_password_policy
          • validate_password_special_char_count
          • version
          • version_comment
          • wait_timeout
        • Session-level variables
          • enable_sql_plan_monitor
          • is_result_accurate
          • last_insert_id
          • nls_language
          • ob_capability_flag
          • ob_enable_show_trace
          • ob_hnsw_ef_search
          • ob_ivf_nprobes
          • ob_last_schema_version
          • ob_org_cluster_id
          • ob_sparse_drop_ratio_search
          • ob_proxy_partition_hit
          • ob_proxy_set_trx_executed
          • ob_trace_info
          • timestamp
          • tracefile_identifier
    • Error codes
      • MySQL-compatible mode
        • Overview
        • 0001 to 3999
        • 4000 to 4499
        • 4500 to 4999
        • 5000 to 5999
        • 6000 to 6999
        • 7000 to 7999
        • 8000 to 8999
        • 9000 ~ 9499
        • 9500 to 9999
        • 10000 to 12000
        • 22998, 30926, 38104, and 38105
      • Oracle-compatible mode
        • Overview
        • OBE-00000 ~ OBE-00999
        • OBE-01000 to OBE-01499
        • OBE-01500 to OBE-01999
        • OBE-02000 to OBE-04999
        • OBE-05000 to OBE-10000
        • OBE-10000 to OBE-19999
        • OBE-20000 to OBE-29999
        • OBE-30000 to OBE-49999
        • OBE-50000 to OBE-99999
        • PLS-00000 to PLS-00999
    • Performance tuning
      • Overview
      • Performance related tools
        • System tools
          • Top
          • CPU tools
          • Memory tools
          • Disk I/O tools
          • Network tools
        • Internal tables
          • GV$SYSSTAT
          • GV$OB_SQL_AUDIT
          • GV$OB_TRANSACTION_PARTICIPANTS
        • Logs
          • slow trans
          • dump tenant info
          • Trace logs
        • OCP
      • System tuning
        • OS parameter tuning
        • Database parameter tuning
          • CPU parameters
          • I/O parameters
          • Memory-related parameters
          • Network transmission parameters
        • ODP parameter tuning
          • CPU parameters
          • Network transmission parameters
          • Routing parameters on nodes
      • Business model tuning
        • Load balancing
        • SQL diagnostics
        • Distributed transactions
      • Performance diagnosis
        • Monitor and diagnose the cluster performance
        • Diagnose tenant performance
        • Monitor ODP performance
        • Monitor host performance
        • WR management
          • Overview
          • Manage WR
          • Monitor historical session performance
          • Clean up WR data
        • ASH report
          • ASH
          • Generate an ASH report
          • Analyze an ASH report
      • SQL tuning
        • Execution process of SQL queries
        • SQL execution plans
          • Introduction to SQL execution plans
          • Execution plan operators
            • TABLE SCAN
            • JOIN
            • COUNT
            • GROUP BY
            • WINDOW FUNCTION
            • SUBPLAN FILTER
            • DISTINCT
            • SEQUENCE
            • MATERIAL
            • SORT
            • LIMIT
            • FOR UPDATE
            • SELECT INTO
            • SUBPLAN SCAN
            • UNION
            • INTERSECT
            • EXCEPT/MINUS
            • INSERT
            • DELETE
            • UPDATE
            • MERGE
            • EXCHANGE
            • GI
          • Plan cache
          • Fast parameterization
          • Real-time execution plan display
          • SQL optimization practice with EXPLAIN
        • Distributed execution plans
          • Perform distributed execution and parallel queries
          • Generate a distributed plan
          • Schedule distributed execution plans
          • Manage distributed execution plans
          • Parallel execution enabling methods and their priority
          • Auto DOP
          • Execute parallel queries
          • Perform parameter tuning for a parallel query
          • Parallel DML
          • Parallel DDL
        • Parallel execution plans
          • Introduction to parallel execution
          • Classification and optimization of parallel execution
          • Set concurrent execution
            • Concurrency control and queuing
            • Set a DOP for parallel execution
            • Set parallel execution parameters
          • Parallel execution diagnostics
          • Parallel execution tuning tips
          • Quick start
        • SQL tuning
          • Overview
          • General procedure
          • SQL execution performance monitoring
            • GV$OB_SQL_AUDIT
            • SQL Trace
            • Plan cache views
            • SQL performance analysis example
              • Use SQL Audit to analyze wait events in a query
              • Analyze SQL queries that cause an abrupt RT jitter
              • View and analyze the shape of an execution plan
              • Analyze slow SQL queries
              • Query SQL traffic distribution and QPS
              • Check whether SQL queries are balanced across servers in a cluster
              • Find the TOP N SQL queries
              • Analyze whether an unusually large number of remote execution requests exist in the system or the execution of an SQL statement
              • Find full table scan SQL statements in a tenant
              • Find the TOP N queries with the longest execution time within a certain period
              • Analyze queries related to distributed plans
              • Check whether the RPC execution count of a distributed subplan is balanced across servers in a cluster
          • Optimizer statistics
            • Overview of statistics
            • Statistics collection methods
              • Overview
              • Histograms
              • Manually collect statistics
              • Automatic statistics collection
              • Online statistics collection
              • Dynamic sampling
            • Statistics management
              • Overview
              • Delete statistics
              • Set statistics
              • Import and export statistics
              • Lock and unlock statistics
              • Manage statistics history
              • Manage statistics preferences
            • Monitoring and diagnostics for statistics collection
            • OceanBase statistics management practical guide
          • Query rewrite
            • Overview
            • Rule-based query rewrite
            • Cost-based query rewrite
          • Query optimization
            • Access path
              • Overview
              • Rule-based path selection
              • Cost-based path selection
            • Join algorithm
              • Overview
              • Join algorithms
              • Runtime filter
              • Join order
          • Manage execution plans
            • Optimizer hint
            • Plan binding
            • SPM plan management
        • Glossary
        • General issues in SQL tuning
    • Database proxy
      • OceanBase Database Proxy
      • Connection and routing
      • ODP
        • Overview
        • Manage ODP clusters
          • Create an ODP cluster
          • Manage ODP cluster parameters
          • Delete an ODP cluster
          • Upgrade all ODPs in an ODP cluster
          • Restart all ODPs in an ODP cluster
          • Manage OceanBase clusters connected to an ODP cluster
          • Monitor ODP cluster performance
        • Manage ODP
          • Add an ODP
          • Start an ODP
          • Refresh ODP configurations
          • Stop an ODP
          • Restart an ODP
          • Delete an ODP
          • Upgrade one or more ODPs
        • ODP startup parameters
      • Physical connections
      • Logical connection
        • Query all sessions
        • Query the details of a session
        • Query the metrics of a session
        • Query session variables
        • Terminate a server session
      • Route management
        • Table-based routing of ODP
        • LDC-based routing
        • ODP routing policy
          • Read/Write splitting
          • Follower-first read
          • Blocklist mechanism
          • Transaction routing
      • View tenant sessions
      • Terminate a tenant session
      • Set the maximum number of connections for a tenant
    • Drivers
      • ECOB
      • OBCI
      • OceanBase Connector/J
      • OceanBase Connector/C
      • OceanBase Connector/ODBC
    • Platforms
      • OMA
      • OMS
      • OCP
      • ODC
      • OAT
    • Components & tools
      • O&M management
        • obshell
          • Use cases
            • obshell management
              • Start or stop obshell
              • Upgrade obshell
            • cluster management
              • Deploy an OceanBase cluster
              • Deploy ODP
              • Take over an OceanBase cluster not deployed by obshell
              • Start an OceanBase cluster
              • Stop an OceanBase cluster
              • Use obshell to scale out an OceanBase cluster
              • Upgrade an OceanBase cluster
              • Initiate a cluster-level backup
            • Tenant management
              • Create a tenant
              • Initiate a tenant-level backup
              • Initiate tenant-level restore
              • Expand a tenant
            • Configure an OBServer node to start automatically on boot
          • obshell commands
            • Agent commands of obshell
            • Cluster commands of obshell
            • obshell unit commands
            • obshell resource pool commands
            • Tenant command group of obshell
            • Task commands of obshell
            • Backup commands in obshell
            • obshell restore command group
            • obshell recyclebin command group
          • obshell Dashboard
            • Tenant management
              • Session management
            • Performance monitoring
            • Manage inspection services
            • Manage credentials
          • API references
            • obshell API requests
            • Hybrid encryption for API operations
            • obshell management
              • AgentUpgradeCheck
              • UpgradeAgent
              • Set node password
              • QueryNodeStatus
            • cluster management
              • Add a node before cluster initialization
              • DeleteNodeBeforeClusterInitialization
              • SetClusterConfig
              • SetServerConfig
              • Initialize Cluster
              • StartCluster
              • StopCluster
              • ObUpgradeCheck
              • Upgrade OceanBase Database
              • Scale out a cluster
              • GetObInfo
            • ODP management
              • Deploy ODP
              • Start ODP
              • Stop ODP
              • Upload an ODP installation package
              • Upgrade ODP
              • Destroy ODP
            • Unit config management
              • Create a resource specification
              • Retrieve all resource specifications
              • Query the information of a specified resource specification
              • Delete a resource specification
            • Resource pool management
              • Get information about all resource pools
              • Delete a specified resource pool
            • Tenant management
              • Create a tenant
              • Query tenant information
              • Change the tenant password
              • Modify the access whitelist of a tenant
              • Modify the primary zone of a tenant
              • Modify tenant system variables
              • Modify tenant configurations
              • Rename a tenant
              • Create a user
              • Delete a user
              • Delete a tenant
              • Add a tenant replica
              • Modify a tenant replica
              • Delete a tenant replica
              • Lock a tenant
              • Unlock a tenant
              • Get an overview of all tenants
              • Query a system variable of a specified tenant
              • Fuzzy query tenant system variables
              • Query a tenant parameter
              • Fuzzy query tenant parameters
            • Session management
              • Query the session list of a tenant
              • Get tenant session details
              • Obtain tenant session statistics
              • Terminate a tenant session
              • Terminate a tenant session query
              • Query tenant deadlock history
            • Backup management
              • Set the backup configuration for a tenant
              • Set cluster-level backup configurations
              • Update the backup configuration of a tenant
              • Update the cluster-level backup configuration
              • Initiate a backup for a single tenant
              • Initiate a cluster-level backup
              • View information about a backup task for a tenant
              • View cluster-level backup tasks
              • Modify the backup status of a tenant
              • Modify the status of cluster-level backups
              • Modify the log archiving status of a tenant
              • Modify the log archiving status of a cluster
            • Restore management
              • Initiate tenant restore
              • View tenant recovery
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OBE-20000 to OBE-29999

Last Updated:2026-06-14 03:28:50  Updated
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What is on this page
OBE-20000: operator binding does not exist
OBE-20000: application error from remote", "%.*s
OBE-20000: '%.*s' invalid partition name
OBE-20000: The stored procedure 'raise_application_error' was called which causes this error to be generated", "ORA%06ld: %.*s
OBE-21000: error number argument to raise_application_error of stringstring is out of range
OBE-21560: argument %.*s is null, invalid, or out of range
OBE-22003: value is out of range
OBE-22160: element at index [%ld] does not exist
OBE-22369: invalid parameter encountered in method %s
OBE-22370: incorrect usage of method %s
OBE-22625: OCIAnyData is not well-formed
OBE-22626: Type Mismatch while constructing or accessing OCIAnyData
OBE-22627: tc [%s] must be that of object/varray/nested table
OBE-22806: not an object or REF
OBE-22816: unsupported feature with RETURNING clause
OBE-22858: invalid alteration of datatype
OBE-22859: invalid modification of columns
OBE-22859: Expected XML tag , got no content
OBE-22866: cannot replace a type with table dependents
OBE-22901: cannot compare VARRAY or LOB attributes of an object type
OBE-22902: CURSOR expression not allowed
OBE-22903: MULTISET expression not allowed
OBE-22907: invalid CAST to a type that is not a nested table or VARRAY
OBE-22922: LOB value does not exist
OBE-22928: invalid privilege on directories
OBE-22950: cannot ORDER objects without MAP or ORDER method
OBE-22990: LOB locators cannot span transactions
OBE-22998: CLOB or NCLOB in multibyte character set not supported
OBE-23413: table %s.%s does not have a materialized view log
OBE-23420: the parameter %s must evaluate to a time in the future
OBE-23481: unexpected name string '%.*s'
OBE-23538: cannot explicitly refresh a NEVER REFRESH materialized view (%s)
OBE-24230: input to DBMS_DDL.WRAP is not a legal PL/SQL unit
OBE-24234: unable to get source of string \'%.*s\'.\'%.*s\', insufficient privileges or does not exist
OBE-24235: bad value for object type: %.*s
OBE-24236: source text is empty
OBE-24247: network access denied by access control list (ACL)
OBE-24249: Authentication scheme '%.*s' not supported
OBE-24250: No supported authentication scheme found
OBE-24323: value not allowed
OBE-24334: no descriptor for this position
OBE-24381: error(s) in array DML
OBE-24761: transaction rolled back
OBE-24761: transaction rolled back: transaction context does not exist
OBE-24761: transaction rolled back: transaction is killed
OBE-24761: transaction rolled back: partition is frozen
OBE-24761: transaction rolled back: Transaction exiting
OBE-24761: transaction rolled back: transaction needs rollback
OBE-24761: transaction rolled back: transaction idle timeout
OBE-24761: transaction rolled back: transaction context count reach limit
OBE-25002: cannot create INSTEAD OF triggers on tables
OBE-25004: WHEN clause is not allowed in INSTEAD OF triggers
OBE-25005: cannot CREATE INSTEAD OF trigger on a read-only view
OBE-25009: Nested tableclause allowed only for INSTEAD OF triggers
OBE-25020: renaming system triggers is not allowed
OBE-25021: cannot reference a trigger defined on another table
OBE-25022: cannot reference a trigger of a different type
OBE-25023: Cyclic trigger dependency is not allowed
OBE-25025: cannot specify PRECEDES clause
OBE-25128: No insert/update/delete on table with constraint disabled and validated
OBE-25129: cannot modify constraint (%.*s) - no such constraint
OBE-25137: Data value %s out of range in '%s'
OBE-25154: Column part of using clause can not have qualifier
OBE-25156: old style outer join (+) cannot be used with ANSI joins
OBE-25405: Transaction state unknown
OBE-28001: the password has expired
OBE-28101: policy already exists
OBE-28102: policy does not exist
OBE-28103: adding a policy to an object owned by SYS is not allowed
OBE-28104: input value for %s is not valid
OBE-28105: cannot create security relevant column policy in an object view
OBE-28106: input value for argument %s is not valid
OBE-28107: policy was disabled
OBE-28108: circular security policies detected
OBE-28109: the number of related policies has exceeded the limit of 16
OBE-28110: policy function or package %.*s.%.*s has error
OBE-28111: insufficient privilege to evaluate policy predicate
OBE-28112: failed to execute policy function
OBE-28113: policy predicate has error
OBE-28116: insufficient privileges to do direct path access
OBE-28117: integrity constraint violated * parent record not found
OBE-28118: policy group already exists
OBE-28119: policy group does not exist
OBE-28120: driving context already exists
OBE-28121: driving context does not exist
OBE-28122: can not update SYS_DEFAULT policy group
OBE-28123: Driving context %.*s,%.*s contains invalid group %.*s
OBE-28124: Column %.*s in sec_relevant_cols cannot be of an object data type
OBE-28125: A protected base column was referenced in an unprotected virtual column expression
OBE-28126: Attribute association failed for policy %.*s
OBE-28132: The MERGE INTO syntax does not support the security policy
OBE-28115: policy with check option violation
OBE-28106: input value for argument #%d is not valid
OBE-28264: Client identifier is too long
OBE-28265: Namespace beginning with 'SYS_' is not allowed
OBE-28267: The maximum size specified by the _session_context_size parameter was exceeded
OBE-28268: Invalid NameSpace Value
OBE-29253: Invalid count argument passed to procedure dbms_sql.define_array
OBE-29256: Cursor contains both regular and array defines which is illegal
OBE-29257: host %.*s unknown
OBE-29258: buffer too small
OBE-29259: end-of-input reached
OBE-29260: network error: %.*s
OBE-29261: bad argument
OBE-29262: bad URL
OBE-29263: HTTP protocol error
OBE-29264: unknown or unsupported URL scheme
OBE-29266: end-of-body reached
OBE-29268: HTTP client error
OBE-29269: HTTP server error
OBE-29270: too many open HTTP requests
OBE-29273: HTTP request failed
OBE-29275: partial multibyte character
OBE-29276: transfer timeout
OBE-29277: invalid SMTP operation
OBE-29278: SMTP transient error: %.*s
OBE-29279: SMTP permanent error: %.*s
OBE-29280: invalid directory path
OBE-29281: invalid mode
OBE-29282: invalid file ID
OBE-29283: invalid file operationstring
OBE-29284: file read error
OBE-29285: file write error
OBE-29286: internal error
OBE-29287: invalid maximum line size
OBE-29288: invalid file name
OBE-29289: directory access denied
OBE-29290: invalid offset specified for seek
OBE-29291: file remove operation failed
OBE-29292: file rename operation failed
OBE-29295: invalid mime header tag
OBE-29298: Character set mismatch
OBE-29357: %s %.*s already exists
OBE-29358: resource plan %.*s does not exist
OBE-29361: value %ld for %s is outside valid range of 0 to 100
OBE-29362: plan directive %.*s, %.*s does not exist
OBE-29364: plan directive %.*s, %.*s already exists
OBE-29366: plan directive name '%.*s' not supported
OBE-29368: consumer group %.*s does not exist
OBE-29471: DBMS_SQL access denied
OBE-29474: DBMS_SQL.OPEN_CURSOR failed. security_level of 0 is not allowed
OBE-29879: cannot create multiple domain indexes on a column list using same
OBE-29900: operator binding does not exist

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Applicability

This content applies only to OceanBase Database in Oracle-compatible mode.

OBE-20000: operator binding does not exist

  • OceanBase error code: 7299

  • SQLSTATE: 42000

  • Cause: The specified operator binding was not found when attempting to execute the operation.

  • Solution: Verify that the operator or function name used is correct and free from spelling errors.

Note

  • This error code was introduced in V4.3.2 of OceanBase Database V4.3.x series.
  • This error code was introduced in V4.2.4 of OceanBase Database V4.2.x series.

OBE-20000: application error from remote", "%.*s

  • Error code in OceanBase Database: 9767

  • SQLSTATE: HY000

  • Cause: A remote application error occurred.

  • Solution: Check the error reported by the remote database through the database link.

OBE-20000: '%.*s' invalid partition name

  • OceanBase error code: 11002

  • SQLSTATE: HY000

  • Cause: The partition name '%.*s' is invalid.

  • Solution: Check whether the partition name '%.*s' is correct and complies with the partition naming rules. Ensure that a valid partition name is used for the operation.

Note

This error code was introduced in V4.3.0 of OceanBase Database.

OBE-20000: The stored procedure 'raise_application_error' was called which causes this error to be generated", "ORA%06ld: %.*s

  • OceanBase error code: 20000

  • SQLSTATE: HY000

  • Cause: The RAISE_APPLICATION_ERROR procedure was called, which generated this error.

  • Solution: Fix the issue described in the error message, or contact the application administrator or DBA for more information.

OBE-21000: error number argument to raise_application_error of stringstring is out of range

  • OceanBase error code: 21000

  • SQLSTATE: HY000

  • Error cause: The error number parameter for RAISE_APPLICATION_ERROR is out of range.

OBE-21560: argument %.*s is null, invalid, or out of range

  • OceanBase error code: 5934

  • SQLSTATE: HY000

  • Error cause: The passed parameter value is NULL, invalid, or out of range. For example, the value of the position or size parameter for LOB / FILE exceeds the range from 1 to (4 GB - 1), or a file is opened in an invalid open mode.

  • Solution: Check and correct the program to ensure that no NULL, invalid, or out-of-range parameter values are passed.

OBE-22003: value is out of range

  • OceanBase error code: 4157

  • SQLSTATE: 22003

  • Error cause: An unexpected communication error occurred while executing the specified TCP/IP function func. The TCP/IP function return code is rc, and the function func parameter is parm.

  • Solution: Contact technical support for assistance.

OBE-22160: element at index [%ld] does not exist

  • Error code in OceanBase Database: 9801

  • SQLSTATE: HY000

  • Cause: An attempt was made to access an index position in a collection (such as an array or nested table) that does not exist.

  • Solution: Ensure that the index used to access the collection is valid.

OBE-22369: invalid parameter encountered in method %s

  • OceanBase error code: 5955

  • SQLSTATE: HY000

  • Error cause: An invalid parameter is being passed to SYS. This includes: SYS. any type, SYS. any data, or SYS. any dataset.

  • Solution: Check the passed parameters and ensure they are allowed.

Note

This error code is introduced in V4.0.0.

OBE-22370: incorrect usage of method %s

  • OceanBase error code: 5956

  • SQLSTATE: HY000

  • Cause: SYS. any type, SYS. any data, or SYS. any dataset is used incorrectly.

  • Solution: Use it correctly.

Note

This error code is introduced in V4.0.0.

OBE-22625: OCIAnyData is not well-formed

  • OceanBase error code: 5965

  • SQLSTATE: HY000

  • Cause: OCIAnyData is used without initializing the construction.

  • Solution: Before adding attributes, initialize the handle using OCIAnyDataBeginConstruct. Complete the construction using OCIAnyDataEndConstruct. Alternatively, use OCIAny-DataConvert for construction. Ensure it is properly constructed before accessing its attributes.

Note

This error code is introduced in V4.0.0.

OBE-22626: Type Mismatch while constructing or accessing OCIAnyData

  • OceanBase error code: 5957

  • SQLSTATE: HY000

  • Cause: The provided type does not match the type of AnyData. If attempting segmented construction or access, the provided type does not match the type of the current attribute.

  • Solution: Ensure the provided type matches the type of the object to be constructed or accessed.

Note

This error code is introduced in V4.0.0.

OBE-22627: tc [%s] must be that of object/varray/nested table

  • OceanBase error code: 5966

  • SQLSTATE: HY000

  • Cause: The type code is not a type code for an object, varray, or nested table.

  • Solution: Ensure the type code is OCI_TYPECODE_OBJECT, OCI_TYPECODE_VARRAY, or OCI_TYPECODE_TABLE.

Note

This error code is introduced in V4.0.0.

OBE-22806: not an object or REF

  • OceanBase error code: 5477
  • SQLSTATE: 42000
  • Cause: The value is not an object or REF.
  • Solution: Retry the operation with an object or REF.

OBE-22816: unsupported feature with RETURNING clause

  • OceanBase error code: 9573

  • SQLSTATE: HY000

  • Error cause: The RETURNING clause is not supported for object-type columns, including LONG columns, remote tables, INSERT statements with subqueries, and INSTEAD OF triggers.

  • Solution: Use a separate statement to retrieve the value.

Note

This error code is introduced in V4.0.0.

OBE-22858: invalid alteration of datatype

  • OceanBase error code: 7414
  • SQLSTATE: 42000
  • Error cause: When you try to change the data type, the data type cannot be changed, or the new data type is invalid.
  • Solution:
    1. Check the data type: Verify whether the data type can be changed and that the new data type is valid.
    2. Check the data size: Check the size of the data to be changed and ensure the new data type can accommodate all the data.

Note

This error code is introduced in V4.2.0.

OBE-22859: invalid modification of columns

  • OceanBase error code: 7415
  • SQLSTATE: 42000
  • Error cause: You attempted to modify a column or table structure that is not allowed.
  • Solution:
    1. Check the table structure: You can check the structure of the table to be modified to ensure it allows the modification.
    2. Check the column attributes: You can check the attributes of the column to be modified to ensure they allow the modification.

Note

This error code is introduced in V4.2.0.

OBE-22859: Expected XML tag , got no content

  • OceanBase error code: 7416
  • SQLSTATE: 42000
  • Error cause: The XML data is missing tag content.
  • Solution:
    1. Check the XML data: You can check whether the XML data is correct to ensure all tags have content.
    2. Check the XML format: You can check whether the XML format is correct to ensure all tags are correctly nested and closed.

Note

This error code is introduced in V4.2.0.

OBE-22866: cannot replace a type with table dependents

  • OceanBase error code: 11006

  • SQLSTATE: HY000

  • Error cause: A type with table dependencies cannot be replaced.

  • Solution: Drop all tables that depend on the current type, then retry the operation.

Note

This error code is introduced in V4.2.2.

OBE-22901: cannot compare VARRAY or LOB attributes of an object type

  • OceanBase error code: 7432

  • SQLSTATE: 42000

  • Cause: Attempts to compare the VARRAY or LOB attributes of an object type without a MAP or ORDER method.

  • Solution: Define a MAP or ORDER method for the object type.

Note

This error code is introduced in V4.2.2.

OBE-22902: CURSOR expression not allowed

  • OceanBase error code: 9766

  • SQLSTATE: HY000

  • Cause: The output parameter is not a bound variable.

  • Solution: Check how the output parameter is used to ensure it is a bound variable.

Note

This error code is introduced in V4.3.0.

OBE-22903: MULTISET expression not allowed

  • OceanBase error code: 9716
  • SQLSTATE: HY000
  • Cause: Using a MULTISET expression is not allowed.

Note

This error code is introduced in V4.1.0.

OBE-22907: invalid CAST to a type that is not a nested table or VARRAY

  • OceanBase error code: 9717
  • SQLSTATE: HY000
  • Cause: An invalid CAST to a type that is not a nested table or VARRAY.

Note

This error code is introduced in V4.1.0.

OBE-22922: LOB value does not exist

  • OceanBase error code: 7419
  • SQLSTATE: HY000
  • Cause: The LOB value does not exist when you try to access it.
  • Solution: Check whether the table or index where the LOB value is located exists or has been deleted, and determine whether the table or index can be restored.

Note

This error code is introduced in V4.2.0.

OBE-22928: invalid privilege on directories

  • OceanBase error code: 5374

  • SQLSTATE: HY000

  • Error cause: Attempted to grant or revoke privileges on a directory, but the privilege is invalid for the directory.

  • Solution: You can only grant or revoke the CREATE, DELETE, READ, WRITE, and EXECUTE privileges on directories. Do not grant or revoke other privileges.

OBE-22950: cannot ORDER objects without MAP or ORDER method

  • OceanBase error code: 7412
  • SQLSTATE: 42000
  • Error cause: The object does not have a defined MAP or ORDER method when comparing objects.
  • Solution:
    1. Define a MAP or ORDER method: You can define a MAP or ORDER method in the object definition for use during sorting. The MAP method maps an object to a scalar value, and the ORDER method compares the sizes of two objects.
    2. Modify the sort method: If you cannot define a MAP or ORDER method, consider modifying the sort method to use another sorting approach, such as sorting by another column.

Note

This error code is introduced in V4.2.0.

OBE-22990: LOB locators cannot span transactions

  • OceanBase error code: 9715

  • SQLSTATE: HY000

  • Error cause: LOB handles do not support write operations across transactions.

  • Solution: Reassign the LOB handle before performing the write operation.

OBE-22998: CLOB or NCLOB in multibyte character set not supported

  • OceanBase error code: 22998

  • SQLSTATE: HY000

  • Error cause: A CLOB or NCLOB variable from a fixed-width or variable-width multibyte character set is passed to an SQL character function that does not support multibyte LOB data.

  • Solution: Use DBMS_LOB functions, such as DBMS_LOB.INSTR() and DBMS_LOBSUBSTR(), or use PLSQL DBMS_LOB.READ/WRITE to access LOB data.

OBE-23413: table %s.%s does not have a materialized view log

  • OceanBase error code: 9755

  • SQLSTATE: HY000

  • Error cause: Fast refresh cannot be performed because the primary table does not contain a materialized view log.

  • Solution: Please create the corresponding materialized view log.

Note

This error code is introduced in V4.2.2.

OBE-23420: the parameter %s must evaluate to a time in the future

  • OceanBase error code: 9764

  • SQLSTATE: HY000

  • Cause: The calculation result of the "interval" parameter is a time earlier than CURRENT_DATE.

  • Solution: Select an expression whose calculation result is later than CURRENT_DATE.

Note

This error code is introduced in V4.2.2.

OBE-23481: unexpected name string '%.*s'

  • OceanBase error code: 5932

  • SQLSTATE: HY000

  • Cause: An invalid name character.

OBE-23538: cannot explicitly refresh a NEVER REFRESH materialized view (%s)

  • OceanBase error code: 9761

  • SQLSTATE: HY000

  • Error cause: Attempt to explicitly refresh a NEVER REFRESH MV.

  • Solution: Do not perform this refresh operation or remove the MV from the list.

Note

This error code is introduced in V4.2.2.

OBE-24230: input to DBMS_DDL.WRAP is not a legal PL/SQL unit

  • Error code in OceanBase Database: 9807

  • SQLSTATE: HY000

  • Cause: When using the DBMS_DDL.WRAP stored procedure, the input text is not a valid PL/SQL unit.

  • Solution: Check whether the syntax is missing semicolons or contains incomplete statements.

OBE-24234: unable to get source of string \'%.*s\'.\'%.*s\', insufficient privileges or does not exist

  • OceanBase error code: 5962

  • SQLSTATE: HY000

  • Error cause: The specified PL/SQL object in the DBMS_PREPROCESSOR subprogram does not exist, or you do not have the required privileges to view its source code.

  • Solution: Ensure the specified object exists and that you have the necessary privileges to view its source.

Note

This error code is introduced in V4.0.0.

OBE-24235: bad value for object type: %.*s

  • OceanBase error code: 5961

  • SQLSTATE: HY000

  • Error cause: The specified object type is inappropriate.

  • Solution: Ensure the specified object type is one of the following: package, package body, procedure, function, trigger, type, or type body.

Note

This error code is introduced in V4.0.0.

OBE-24236: source text is empty

  • OceanBase error code: 5960

  • SQLSTATE: HY000

  • Cause: The input source text provided to the DBMS_PREPROCESSOR subprogram is empty.

  • Solution: Pass a non-empty input source text as the argument.

Note

This error code is introduced in V4.0.0.

OBE-24247: network access denied by access control list (ACL)

  • OceanBase error codes: 9818, 9791

  • SQLSTATE: HY000

  • Cause: The current database user is not authorized to access external services over the network.

  • Solution: Configure an ACL for the database user performing the network operation, explicitly granting it the permission to access specific external network resources.

Note

This error code is introduced in V4.4.1.

OBE-24249: Authentication scheme '%.*s' not supported

  • Error code in OceanBase Database: 9797

  • SQLSTATE: HY000

  • Cause: The authentication scheme is not supported.

  • Solution: Verify the authentication schemes supported by the server.

OBE-24250: No supported authentication scheme found

  • Error code in OceanBase Database: 9798

  • SQLSTATE: HY000

  • Cause: No supported authentication scheme was found.

  • Solution: Check the OceanBase client environment configuration. If the problem occurs in a specific scenario such as SMTP, ensure that the authentication method requested by the client matches the methods available on the server side.

OBE-24323: value not allowed

  • OceanBase error code: 7297

  • SQLSTATE: HY000

  • Cause: A null or invalid value was passed to a parameter.

  • Solution: Verify that all required parameters are passed with valid values.

Note

This error code is introduced in V4.2.2.

OBE-24334: no descriptor for this position

  • OceanBase error code: 5973

  • SQLSTATE: HY000

  • Cause: The application obtained a descriptor for an invalid position from the handle.

  • Solution: Check the position number.

OBE-24381: error(s) in array DML

  • OceanBase error code: 5883

  • SQLSTATE: HY000

  • Cause: One or more rows in the DML statement failed.

  • Solution: Refer to the error stack in the error handle.

OBE-24761: transaction rolled back

  • OceanBase error code: 6002

  • SQLSTATE: 40000

  • Cause: The transaction was rolled back.

OBE-24761: transaction rolled back: transaction context does not exist

  • OceanBase error code: 6213

  • SQLSTATE: 40000

  • Cause: The transaction was rolled back because the transaction context does not exist.

OBE-24761: transaction rolled back: transaction is killed

  • OceanBase error code: 6211

  • SQLSTATE: 25000

  • Cause: The transaction is rolled back because it has been terminated.

OBE-24761: transaction rolled back: partition is frozen

  • OceanBase error code: 6214

  • SQLSTATE: 25000

  • Error cause: The transaction is rolled back because the partition is frozen.

OBE-24761: transaction rolled back: Transaction exiting

  • OceanBase error code: 6223

  • SQLSTATE: 25000

  • Error cause: The transaction is rolled back because the transaction already exists.

OBE-24761: transaction rolled back: transaction needs rollback

  • OceanBase error code: 6224

  • SQLSTATE: 25000

  • Error cause: The transaction is rolled back because it needs to be rolled back.

OBE-24761: transaction rolled back: transaction idle timeout

  • OceanBase error code: 6278

  • SQLSTATE: 25000

  • Error cause: The transaction is rolled back because it has timed out.

Note

This error code is introduced in V4.0.0.

OBE-24761: transaction rolled back: transaction context count reach limit

  • OceanBase error code: 6234

  • SQLSTATE: 25000

  • Error cause: The transaction is rolled back because the number of transaction contexts reaches the limit.

OBE-25002: cannot create INSTEAD OF triggers on tables

  • OceanBase error code: 9572

  • SQLSTATE: HY000

  • Error cause: You cannot create INSTEAD OF triggers on tables.

  • Solution: Create an INSTEAD OF trigger on the view, or create a DML trigger on the table.

OBE-25004: WHEN clause is not allowed in INSTEAD OF triggers

  • OceanBase error code: 9571

  • SQLSTATE: HY000

  • Error cause: Specifying a WHEN clause in an INSTEAD OF trigger.

  • Solution: Remove the WHEN clause when creating the INSTEAD OF trigger.

OBE-25005: cannot CREATE INSTEAD OF trigger on a read-only view

  • OceanBase error code: 9663

  • SQLSTATE: HY000

  • Error cause: Cannot create INSTEAD OF triggers on read-only views.

  • Solution: Create the INSTEAD OF trigger on a non-read-only view.

OBE-25009: Nested tableclause allowed only for INSTEAD OF triggers

  • OceanBase error code: 9569

  • SQLSTATE: HY000

  • Error cause: The nested table clause is only allowed in INSTEAD OF triggers.

  • Solution: Use nested table columns in a view to define a nested table trigger.

OBE-25020: renaming system triggers is not allowed

  • Error code in OceanBase Database: 9803

  • SQLSTATE: HY000

  • Cause: Renaming system triggers is not allowed.

  • Solution: Stop the attempt to rename system triggers immediately.

OBE-25021: cannot reference a trigger defined on another table

  • OceanBase error code: 9705

  • SQLSTATE: HY000

  • Error cause: The trigger referenced in the FOLLOWS clause is defined on another table.

  • Solution: Create the referenced trigger on the same table.

Note

This error code is introduced in V4.0.0.

OBE-25022: cannot reference a trigger of a different type

  • OceanBase error code: 9706

  • SQLSTATE: HY000

  • Error cause: The triggers referenced in the FOLLOWS or PRECEDES clause are of different types or are not composite triggers.

  • Solution: Create the referenced triggers as triggers of the same type or combined triggers.

Note

This error code is introduced in V4.0.0.

OBE-25023: Cyclic trigger dependency is not allowed

  • OceanBase error code: 9707

  • SQLSTATE: HY000

  • Error cause: A cyclic trigger dependency has been formed.

  • Solution: Do not create triggers that can form a cyclic dependency.

Note

This error code is introduced in V4.0.0.

OBE-25025: cannot specify PRECEDES clause

  • OceanBase error code: 9708

  • SQLSTATE: HY000

  • Cause: The PRECEDES clause was specified when creating a regular trigger.

  • Solution: Do not create a regular trigger with the PRECEDES clause.

Note

This error code is introduced in V4.0.0.

OBE-25128: No insert/update/delete on table with constraint disabled and validated

  • OceanBase error code: 5795

  • SQLSTATE: HY000

  • Cause: An attempt was made to perform an INSERT, UPDATE, or DELETE operation on a table with the DISABLE VALIDATE constraint enabled.

  • Solution: Change the state of the constraint.

OBE-25129: cannot modify constraint (%.*s) - no such constraint

  • OceanBase error code: 5800

  • SQLSTATE: HY000

  • Cause: The specified constraint does not exist for this table.

OBE-25137: Data value %s out of range in '%s'

  • OceanBase error code: 4157

  • SQLSTATE: 22003

  • Cause: The value of the operand after conversion is greater than the size of the conversion target.

  • Solution: Increase the size of the conversion target.

OBE-25154: Column part of using clause can not have qualifier

  • OceanBase error code: 5619

  • SQLSTATE: HY000

  • Cause: Columns used to name a join (NATURAL join or a join using the USING clause) cannot have explicit qualifiers.

  • Solution: Remove the qualifier.

OBE-25156: old style outer join (+) cannot be used with ANSI joins

  • OceanBase error code: 5625

  • SQLSTATE: HY000

  • Cause: When a query block uses ANSI-style joins, the old notation for specifying an outer join (+) cannot be used.

  • Solution: Use the ANSI-style syntax to specify outer joins.

OBE-25405: Transaction state unknown

  • OceanBase error code: 6222

  • SQLSTATE: HY000

  • Cause: A failure occurred when the transaction attempted to commit. The failover may not automatically determine the transaction status.

  • Solution: You must manually determine the transaction status.

OBE-28001: the password has expired

  • OceanBase error code: 4366

  • SQLSTATE: HY000

  • Cause: The user's account has expired and the password needs to be changed.

  • Solution: Change the password or contact the database administrator.

OBE-28101: policy already exists

  • OceanBase error code: 9718
  • SQLSTATE: HY000
  • Cause: The policy already exists.
  • Solution: Check whether the policy has been added or use a different policy name.

Note

This error code is introduced in V4.1.0.

OBE-28102: policy does not exist

  • OceanBase error code: 9719
  • SQLSTATE: HY000
  • Cause: The policy does not exist.

Note

This error code is introduced in V4.1.0.

OBE-28103: adding a policy to an object owned by SYS is not allowed

  • OceanBase error code: 9720
  • SQLSTATE: HY000
  • Error cause: Adding a policy to an object owned by SYS is not allowed.
  • Solution: You cannot perform this operation.

Note

This error code is introduced in V4.1.0.

OBE-28104: input value for %s is not valid

  • OceanBase error code: 9721
  • SQLSTATE: HY000
  • Error cause: The input value of the parameter is invalid.
  • Solution: Specify a valid parameter value.

Note

This error code is introduced in V4.1.0.

OBE-28105: cannot create security relevant column policy in an object view

  • OceanBase error code: 9722
  • SQLSTATE: HY000
  • Error cause: A security-related column policy cannot be created in an object view.

Note

This error code is introduced in V4.1.0.

OBE-28106: input value for argument %s is not valid

  • OceanBase error code: 9723
  • SQLSTATE: HY000
  • Error cause: The input value for the parameter is invalid or missing.

Note

This error code is introduced in V4.1.0.

OBE-28107: policy was disabled

  • OceanBase error code: 9724
  • SQLSTATE: HY000
  • Error cause: The policy has been disabled.
  • Solution: To enforce this policy, you must enable it.

Note

This error code is introduced in V4.1.0.

OBE-28108: circular security policies detected

  • OceanBase error code: 9725
  • SQLSTATE: HY000
  • Error cause: Policies refer to each other for the same object.

Note

This error code is introduced in V4.1.0.

OBE-28109: the number of related policies has exceeded the limit of 16

  • OceanBase error code: 9726
  • SQLSTATE: HY000
  • Error cause: Too many policies are involved for the same object.
  • Solution: Abandon one or more policies.

Note

This error code is introduced in V4.1.0.

OBE-28110: policy function or package %.*s.%.*s has error

  • OceanBase error code: 9727
  • SQLSTATE: HY000
  • Error cause: The policy function or package is incorrect, has been deleted, or is invalid.
  • Solution: Check the status of the function and correct the issue. Alternatively, recreate a policy with a valid function.

Note

This error code is introduced in V4.1.0.

OBE-28111: insufficient privilege to evaluate policy predicate

  • OceanBase error code: 9728
  • SQLSTATE: HY000
  • Error cause: The owner of the policy function does not have permission to access the object.

Note

This error code is introduced in V4.1.0.

OBE-28112: failed to execute policy function

  • OceanBase error code: 9729
  • SQLSTATE: HY000
  • Error cause: The policy function cannot be executed. One or more errors occurred during the execution of the policy function.

Note

This error code is introduced in V4.1.0.

OBE-28113: policy predicate has error

  • OceanBase error code: 9730
  • SQLSTATE: HY000
  • Error cause: An error exists in the policy predicate.

Note

This error code is introduced in V4.1.0.

OBE-28116: insufficient privileges to do direct path access

  • OceanBase error code: 9731
  • SQLSTATE: HY000
  • Error cause: Insufficient privileges to perform direct path access.

Note

This error code is introduced in V4.1.0.

OBE-28117: integrity constraint violated * parent record not found

  • OceanBase error code: 9732
  • SQLSTATE: HY000
  • Error cause: An integrity constraint violation occurred and the parent record could not be found.
  • Solution: Ensure that the updated foreign key value is also visible in the parent record.

Note

This error code is introduced in V4.1.0.

OBE-28118: policy group already exists

  • OceanBase error code: 9733
  • SQLSTATE: HY000
  • Error message: The policy group already exists.

Note

This error code is introduced in V4.1.0.

OBE-28119: policy group does not exist

  • OceanBase error code: 9734
  • SQLSTATE: HY000
  • Error message: The policy group does not exist.

Note

This error code is introduced in V4.1.0.

OBE-28120: driving context already exists

  • OceanBase error code: 9735
  • SQLSTATE: HY000
  • Error message: The driving context already exists.

Note

This error code is introduced in V4.1.0.

OBE-28121: driving context does not exist

  • OceanBase error code: 9736
  • SQLSTATE: HY000
  • Error message: The driving context does not exist.

Note

This error code is introduced in V4.1.0.

OBE-28122: can not update SYS_DEFAULT policy group

  • OceanBase error code: 9737
  • SQLSTATE: HY000
  • Error message: The SYS_DEFAULT policy group cannot be updated.
  • Solution: Do not attempt to create or delete the SYS_DEFAULT policy group. This operation is not allowed.

Note

This error code is introduced in V4.1.0.

OBE-28123: Driving context %.*s,%.*s contains invalid group %.*s

  • OceanBase error code: 9738
  • SQLSTATE: HY000
  • Error cause: The driving context contains an invalid group.
  • Solution: Ensure that a valid policy group is passed to DBMS_SESSION.SET_CONTEXT when initializing the policy driving context.

Note

This error code is introduced in V4.1.0.

OBE-28124: Column %.*s in sec_relevant_cols cannot be of an object data type

  • OceanBase error code: 9739
  • SQLSTATE: HY000
  • Error cause: A column in sec_relevant_cols cannot be of an object data type.
  • Solution: Ensure that none of the columns specified in sec_relevant_cols are of an object data type or XMLType.

Note

This error code is introduced in V4.1.0.

OBE-28125: A protected base column was referenced in an unprotected virtual column expression

  • OceanBase error code: 9740
  • SQLSTATE: HY000
  • Error cause: A protected base column was referenced in an unprotected virtual column expression.
  • Solution: Check the policy definition and ensure that the virtual column is also protected.

Note

This error code is introduced in V4.1.0.

OBE-28126: Attribute association failed for policy %.*s

  • OceanBase error code: 9741
  • SQLSTATE: HY000
  • Error cause: Attribute association for the policy failed.
  • Solution: Specify a local application context attribute.

Note

This error code is introduced in V4.1.0.

OBE-28132: The MERGE INTO syntax does not support the security policy

  • OceanBase error code: 9742
  • SQLSTATE: HY000
  • Error cause: The MERGE INTO syntax does not support the security policy.
  • Solution:
    • If you do not have the permission to modify the security policy, use INSERT, UPDATE, and DELETE DML statements on the table with the defined security policy instead of MERGE INTO.
    • If you have the permission to modify the security policy, redefine it so that the statement_types clause includes all DML statement types (INSERT, UPDATE, and DELETE), or ensure that the policy does not contain security-related columns.

Note

This error code is introduced in V4.1.0.

OBE-28115: policy with check option violation

  • OceanBase error code: 5789

  • SQLSTATE: HY000

  • Error cause: An incorrect security marker was written for the data.

Note

This error code is introduced in V4.0.0.

OBE-28106: input value for argument #%d is not valid

  • OceanBase error code: 9687

  • SQLSTATE: HY000

  • Error cause: The input parameter is invalid.

OBE-28264: Client identifier is too long

  • OceanBase error code: 9688

  • SQLSTATE: HY000

  • Error cause: Exceeds the Client ID upper limit of 64 bytes.

Note

This error code is introduced in V3.2.4.

OBE-28265: Namespace beginning with 'SYS_' is not allowed

  • OceanBase error code: 9690

  • SQLSTATE: HY000

  • Error cause: The created context namespace cannot have the 'SYS_' prefix.

Note

This error code is introduced in V3.2.4.

OBE-28267: The maximum size specified by the _session_context_size parameter was exceeded

  • OceanBase error code: 9691

  • SQLSTATE: HY000

  • Error cause: The number of session based context key-value pairs exceeds the upper limit specified by _session_context_size.

Note

This error code is introduced in V3.2.4.

OBE-28268: Invalid NameSpace Value

  • OceanBase error code: 9689

  • SQLSTATE: HY000

  • Error cause: The context namespace name is invalid.

Note

This error code is introduced in V3.2.4.

OBE-29253: Invalid count argument passed to procedure dbms_sql.define_array

  • OceanBase error code: 9679

  • SQLSTATE: HY000

  • Error cause: The value of the count parameter specified when defining an array in the dbms_sql package procedure is invalid. Invalid values are negative numbers and null values. The parameter must be a positive integer.

  • Solution: Correct the PL/SQL program to pass only valid parameters for defining the array, and then try again.

Note

This error code is introduced in V4.0.0.

OBE-29256: Cursor contains both regular and array defines which is illegal

  • Error code in OceanBase Database: 9551

  • SQLSTATE: HY000

  • Cause: Both define_array and define_column are defined on this cursor, which is illegal. A cursor cannot contain both column and array definitions.

  • Solution: Modify the PL program to call only one of the two functions.

OBE-29257: host %.*s unknown

  • OceanBase error code: 5928

  • SQLSTATE: HY000

  • Cause: The specified host is unknown.

  • Solution: Check the spelling of the hostname or IP address to ensure it is valid.

OBE-29258: buffer too small

  • Error code in OceanBase Database: 9785

  • SQLSTATE: HY000

  • Cause: During TCP network communication, the buffer size is insufficient to hold the amount of data to be read or written.

  • Solution: Increase the buffer size.

OBE-29259: end-of-input reached

  • Error code in OceanBase Database: 9786

  • SQLSTATE: HY000

  • Cause: This error may be caused by one or more of the following:

    • Network or server interruption.
    • Incompatible security protocols.
    • Request or data format issues.
    • Database resource or timeout limits.
  • Solution:

    • Verify network connectivity and the status of the target service.
    • Check and upgrade security protocol support.
    • Adjust database network configuration and timeouts.

OBE-29260: network error: %.*s

  • Error code in OceanBase Database: 9787

  • SQLSTATE: HY000

  • Cause: A network error occurred.

  • Solution: Troubleshoot the network configuration.

OBE-29261: bad argument

  • Error code in OceanBase Database: 5951, 5968, 9813, and 9788

  • SQLSTATE: HY000

  • Cause: An invalid parameter was passed to the PL API.

  • Solution: Check the parameters passed to the PL API and try again.

OBE-29262: bad URL

  • Error code in OceanBase Database: 9814

  • SQLSTATE: HY000

  • Cause: The URL format passed to the UTL_HTTP package is incorrect or invalid.

  • Solution: Check whether the URL is correct.

Note

This error code is available starting with V4.4.1.

OBE-29263: HTTP protocol error

  • Error code in OceanBase Database: 9820

  • SQLSTATE: HY000

  • Cause: An HTTP protocol error occurred.

  • Solution: Check the server or network.

Note

This error code is available starting with V4.4.1.

OBE-29264: unknown or unsupported URL scheme

  • Error code in OceanBase Database: 9824

  • SQLSTATE: HY000

  • Cause: The UTL_HTTP package cannot recognize or does not support the protocol scheme you specified in the URL.

  • Solution: Check and correct your URL string.

Note

This error code is available starting with V4.4.1.

OBE-29266: end-of-body reached

  • Error code in OceanBase Database: 9815

  • SQLSTATE: HY000

  • Cause: When using the UTL_HTTP package to read an HTTP response body, the program attempts to continue reading data from the HTTP response stream after reaching the end.

  • Solution: In most cases, this is a normal process signal that needs to be caught and handled properly, rather than a fault that requires fixing. You must ensure your code has robust exception handling logic to gracefully end the HTTP request.

Note

This error code is available starting with V4.4.1.

OBE-29268: HTTP client error

  • Error code in OceanBase Database: 9816

  • SQLSTATE: HY000

  • Cause: The HTTP client request failed.

  • Solution: Check whether the request information sent by the client is correct, and check the network connectivity and server status.

Note

This error code is available starting with V4.4.1.

OBE-29269: HTTP server error

  • Error code in OceanBase Database: 9817

  • SQLSTATE: HY000

  • Cause: An HTTP server issue occurred.

  • Solution: Check the HTTP server status.

Note

This error code is available starting with V4.4.1.

OBE-29270: too many open HTTP requests

  • Error code in OceanBase Database: 9822

  • SQLSTATE: HY000

  • Cause: Too many HTTP requests are open.

  • Solution: Adjust the session connection limit and close unnecessary connection requests.

Note

This error code is available starting with V4.4.1.

OBE-29273: HTTP request failed

  • Error code in OceanBase Database: 9821

  • SQLSTATE: HY000

  • Cause: The HTTP request failed.

  • Solution: Check the server or network connectivity.

Note

This error code is available starting with V4.4.1.

OBE-29275: partial multibyte character

  • Error code in OceanBase Database: 9819 and 9789

  • SQLSTATE: HY000

  • Cause: A multibyte character was processed incompletely.

  • Solution: Start checking the UTL_HTTP response data processing code to see if there are any operations that calculate lengths or truncate based on bytes.

Note

This error code is available starting with V4.4.1.

OBE-29276: transfer timeout

  • Error code in OceanBase Database: 9823 and 9790

  • SQLSTATE: HY000

  • Cause: The transfer timed out.

  • Solution: Adjust the network environment, optimize server performance, or increase the client's timeout settings.

Note

This error code is available starting with V4.4.1.

OBE-29277: invalid SMTP operation

  • Error code in OceanBase Database: 9794

  • SQLSTATE: HY000

  • Cause: The SMTP operation is invalid.

  • Solution: Check the call order of SMTP protocol commands and the compliance of the email data format.

OBE-29278: SMTP transient error: %.*s

  • Error code in OceanBase Database: 9795

  • SQLSTATE: HY000

  • Cause: SMTP communication encountered a transient obstacle.

  • Solution: Verify the SMTP server information and check network and environment restrictions.

OBE-29279: SMTP permanent error: %.*s

  • Error code in OceanBase Database: 9796

  • SQLSTATE: HY000

  • Cause: This error indicates that a permanent failure preventing email delivery was encountered when using database mail features (such as the UTL_SMTP package).

  • Solution: Determine whether the problem is an address error, authentication failure, server policy rejection, or network connectivity issue based on the error details.

OBE-29280: invalid directory path

  • Error code in OceanBase Database: 9554

  • SQLSTATE: HY000

  • Cause: The directory object does not exist.

  • Solution: Correct the directory object parameter or use the CREATE DIRECTORY command to create the directory object.

OBE-29281: invalid mode

  • Error code in OceanBase Database: 9555

  • SQLSTATE: HY000

  • Cause: An invalid value was specified for the file open mode.

  • Solution: Change the mode value to one of the following: r, a, or w.

OBE-29282: invalid file ID

  • Error code in OceanBase Database: 9556

  • SQLSTATE: HY000

  • Cause: A file ID handle was specified, but no corresponding file is open.

  • Solution: Verify that the file ID handle value is the value returned by a call to UTL_FILE.FOPEN.

OBE-29283: invalid file operationstring

  • Error code in OceanBase Database: 9557

  • SQLSTATE: HY000

  • Cause: An attempt was made to read a file from a nonexistent file or directory, or the operating system denied file or directory access.

  • Solution: Verify file and directory access permissions on the file system. If you are reading, verify that the file exists.

OBE-29284: file read error

  • Error code in OceanBase Database: 9558

  • SQLSTATE: HY000

  • Cause: Failed to read the file.

  • Solution: Verify that the file exists, is accessible, and is open in read mode.

OBE-29285: file write error

  • Error code in OceanBase Database: 9559

  • SQLSTATE: HY000

  • Cause: Failed to write, flush, or close the file.

  • Solution: Verify that the file exists, is accessible, and is open in write or append mode.

OBE-29286: internal error

  • Error code in OceanBase Database: 9560

  • SQLSTATE: HY000

  • Cause: A fatal error occurred while allocating PL session memory.

  • Solution: Verify that the PL session is connected and sufficient memory resources are available.

OBE-29287: invalid maximum line size

  • Error code in OceanBase Database: 9562

  • SQLSTATE: HY000

  • Cause: The specified maximum line value is invalid.

  • Solution: Correct the maximum line value.

OBE-29288: invalid file name

  • Error code in OceanBase Database: 9563

  • SQLSTATE: HY000

  • Cause: An invalid file name or a file name with an invalid length was specified.

  • Solution: Correct the file name.

OBE-29289: directory access denied

  • Error code in OceanBase Database: 9564

  • SQLSTATE: HY000

  • Cause: A directory object was specified, but you do not have permission to access it.

  • Solution: Use the command GRANT [privilege] ON DIRECTORY [object] TO [username]; to grant access to the directory object.

OBE-29290: invalid offset specified for seek

  • Error code in OceanBase Database: 9565

  • SQLSTATE: HY000

  • Cause: An attempt was made to seek to a position beyond the end of the file, or both the absolute offset and relative offset are NULL, or the absolute offset is less than zero.

  • Solution: If you specify an absolute offset, ensure that it is within the range of [0, total bytes in the file]. If you specify a relative offset, ensure that it is not greater than the current byte position plus the remaining bytes in the file.

OBE-29291: file remove operation failed

  • Error code in OceanBase Database: 9566

  • SQLSTATE: HY000

  • Cause: The operating system denied the file deletion operation.

  • Solution: Verify that the file exists and that you have delete permissions for the file and directory.

OBE-29292: file rename operation failed

  • Error code in OceanBase Database: 9567

  • SQLSTATE: HY000

  • Cause: The operating system denied the file rename operation. Possible causes include:

    • The source or destination directory does not exist or is not accessible.

    • The source file is not accessible.

    • The destination file already exists.

  • Solution: Verify that the source file, source directory, and destination directory exist and are accessible, and that the destination file does not exist.

OBE-29295: invalid mime header tag

  • OceanBase error code: 5970

  • SQLSTATE: HY000

  • Cause: An error occurred while scanning the string of the mime header tag.

  • Solution: Verify whether the source data is a valid mime header string and whether its format is charset/encoding/encoded string.

Note

This error code is introduced in V4.0.0.

OBE-29298: Character set mismatch

  • Error code in OceanBase Database: 9561

  • SQLSTATE: HY000

  • Cause: The character set mode of the file does not match the character set of the read or write operation.

  • Solution: Use the correct UTL_FILE read/write routines that correspond to the character set mode of the file.

OBE-29357: %s %.*s already exists

  • OceanBase error code: 4702

  • SQLSTATE: HY000

  • Cause: The parameter name has been used for the CREATE_PLAN, CREATE_CDB_PLAN, CREATE_CONSUMER_GROUP programs, or the CREATE_CATEGORY program of the DBMS_RESOURCE_MANAGER package.

  • Solution: Specify an unused parameter name.

OBE-29358: resource plan %.*s does not exist

  • OceanBase error code: 4703

  • SQLSTATE: HY000

  • Cause: An invalid plan name was specified as a parameter for the UPDATE_PLAN or UPDATE_CDB_PLAN program of the DBMS_RESOURCE_MANAGER package.

  • Solution: Specify an existing plan name.

OBE-29361: value %ld for %s is outside valid range of 0 to 100

  • OceanBase error code: 4704

  • SQLSTATE: HY000

  • Cause: An invalid value was specified for a plan directive parameter.

  • Solution: Specify a value between 0 and 100 (inclusive).

OBE-29362: plan directive %.*s, %.*s does not exist

  • OceanBase error code: 4705

  • SQLSTATE: HY000

  • Cause: An invalid plan directive was specified for the UPDATE_PLAN_DIRECTIVE or UPDATE_CDB_PLAN_DIRECTIVE procedure of the DBMS_RESOURCE_MANAGER package.

  • Solution: Specify a valid plan directive.

OBE-29364: plan directive %.*s, %.*s already exists

  • OceanBase error code: 4706

  • SQLSTATE: HY000

  • Cause: You attempted to create a plan directive that already exists.

  • Solution: Retry the creation operation with a different value.

OBE-29366: plan directive name '%.*s' not supported

  • OceanBase error code: 4707

  • SQLSTATE: HY000

  • Cause: The specified plan directive name is not supported.

OBE-29368: consumer group %.*s does not exist

  • OceanBase error code: 4710

  • SQLSTATE: HY000

  • Cause: A non-existent consumer group was specified.

  • Solution: Specify an existing consumer group.

OBE-29471: DBMS_SQL access denied

  • OceanBase error code: 5856

  • SQLSTATE: HY000

  • Cause: Access to DBMS_SQL has been denied for security reasons.

  • Solution: Try obtaining more information from the alert logs and trace files.

OBE-29474: DBMS_SQL.OPEN_CURSOR failed. security_level of 0 is not allowed

  • OceanBase error code: 9677

  • SQLSTATE: HY000

  • Error cause: The security level specified for DBMS_SQL.OPEN_CURSOR is 0.

  • Solution: Specify a valid security level.

OBE-29879: cannot create multiple domain indexes on a column list using same

  • OceanBase error code: 7301

  • SQLSTATE: 42000

  • Error cause: Attempt to create multiple indexes on a list of columns based on the same domain.

  • Solution: Check and remove any unnecessary duplicate index requests.

Note

  • In V4.3.x, this error code was introduced starting from V4.3.2.
  • In V4.2.x, this error code was introduced starting from V4.2.4.

OBE-29900: operator binding does not exist

  • OceanBase error code: 7298

  • SQLSTATE: 42000

  • Error cause: The specified operator binding could not be found when attempting to execute an operation.

  • Solution: Confirm that the name of the operator or function used is correct and free of spelling errors.

Note

  • In V4.3.x, this error code was introduced starting from V4.3.2.
  • In V4.2.x, this error code was introduced starting from V4.2.4.

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OBE-20000: operator binding does not exist
OBE-20000: application error from remote", "%.*s
OBE-20000: '%.*s' invalid partition name
OBE-20000: The stored procedure 'raise_application_error' was called which causes this error to be generated", "ORA%06ld: %.*s
OBE-21000: error number argument to raise_application_error of stringstring is out of range
OBE-21560: argument %.*s is null, invalid, or out of range
OBE-22003: value is out of range
OBE-22160: element at index [%ld] does not exist
OBE-22369: invalid parameter encountered in method %s
OBE-22370: incorrect usage of method %s
OBE-22625: OCIAnyData is not well-formed
OBE-22626: Type Mismatch while constructing or accessing OCIAnyData
OBE-22627: tc [%s] must be that of object/varray/nested table
OBE-22806: not an object or REF
OBE-22816: unsupported feature with RETURNING clause
OBE-22858: invalid alteration of datatype
OBE-22859: invalid modification of columns
OBE-22859: Expected XML tag , got no content
OBE-22866: cannot replace a type with table dependents
OBE-22901: cannot compare VARRAY or LOB attributes of an object type
OBE-22902: CURSOR expression not allowed
OBE-22903: MULTISET expression not allowed
OBE-22907: invalid CAST to a type that is not a nested table or VARRAY
OBE-22922: LOB value does not exist
OBE-22928: invalid privilege on directories
OBE-22950: cannot ORDER objects without MAP or ORDER method
OBE-22990: LOB locators cannot span transactions
OBE-22998: CLOB or NCLOB in multibyte character set not supported
OBE-23413: table %s.%s does not have a materialized view log
OBE-23420: the parameter %s must evaluate to a time in the future
OBE-23481: unexpected name string '%.*s'
OBE-23538: cannot explicitly refresh a NEVER REFRESH materialized view (%s)
OBE-24230: input to DBMS_DDL.WRAP is not a legal PL/SQL unit
OBE-24234: unable to get source of string \'%.*s\'.\'%.*s\', insufficient privileges or does not exist
OBE-24235: bad value for object type: %.*s
OBE-24236: source text is empty
OBE-24247: network access denied by access control list (ACL)
OBE-24249: Authentication scheme '%.*s' not supported
OBE-24250: No supported authentication scheme found
OBE-24323: value not allowed
OBE-24334: no descriptor for this position
OBE-24381: error(s) in array DML
OBE-24761: transaction rolled back
OBE-24761: transaction rolled back: transaction context does not exist
OBE-24761: transaction rolled back: transaction is killed
OBE-24761: transaction rolled back: partition is frozen
OBE-24761: transaction rolled back: Transaction exiting
OBE-24761: transaction rolled back: transaction needs rollback
OBE-24761: transaction rolled back: transaction idle timeout
OBE-24761: transaction rolled back: transaction context count reach limit
OBE-25002: cannot create INSTEAD OF triggers on tables
OBE-25004: WHEN clause is not allowed in INSTEAD OF triggers
OBE-25005: cannot CREATE INSTEAD OF trigger on a read-only view
OBE-25009: Nested tableclause allowed only for INSTEAD OF triggers
OBE-25020: renaming system triggers is not allowed
OBE-25021: cannot reference a trigger defined on another table
OBE-25022: cannot reference a trigger of a different type
OBE-25023: Cyclic trigger dependency is not allowed
OBE-25025: cannot specify PRECEDES clause
OBE-25128: No insert/update/delete on table with constraint disabled and validated
OBE-25129: cannot modify constraint (%.*s) - no such constraint
OBE-25137: Data value %s out of range in '%s'
OBE-25154: Column part of using clause can not have qualifier
OBE-25156: old style outer join (+) cannot be used with ANSI joins
OBE-25405: Transaction state unknown
OBE-28001: the password has expired
OBE-28101: policy already exists
OBE-28102: policy does not exist
OBE-28103: adding a policy to an object owned by SYS is not allowed
OBE-28104: input value for %s is not valid
OBE-28105: cannot create security relevant column policy in an object view
OBE-28106: input value for argument %s is not valid
OBE-28107: policy was disabled
OBE-28108: circular security policies detected
OBE-28109: the number of related policies has exceeded the limit of 16
OBE-28110: policy function or package %.*s.%.*s has error
OBE-28111: insufficient privilege to evaluate policy predicate
OBE-28112: failed to execute policy function
OBE-28113: policy predicate has error
OBE-28116: insufficient privileges to do direct path access
OBE-28117: integrity constraint violated * parent record not found
OBE-28118: policy group already exists
OBE-28119: policy group does not exist
OBE-28120: driving context already exists
OBE-28121: driving context does not exist
OBE-28122: can not update SYS_DEFAULT policy group
OBE-28123: Driving context %.*s,%.*s contains invalid group %.*s
OBE-28124: Column %.*s in sec_relevant_cols cannot be of an object data type
OBE-28125: A protected base column was referenced in an unprotected virtual column expression
OBE-28126: Attribute association failed for policy %.*s
OBE-28132: The MERGE INTO syntax does not support the security policy
OBE-28115: policy with check option violation
OBE-28106: input value for argument #%d is not valid
OBE-28264: Client identifier is too long
OBE-28265: Namespace beginning with 'SYS_' is not allowed
OBE-28267: The maximum size specified by the _session_context_size parameter was exceeded
OBE-28268: Invalid NameSpace Value
OBE-29253: Invalid count argument passed to procedure dbms_sql.define_array
OBE-29256: Cursor contains both regular and array defines which is illegal
OBE-29257: host %.*s unknown
OBE-29258: buffer too small
OBE-29259: end-of-input reached
OBE-29260: network error: %.*s
OBE-29261: bad argument
OBE-29262: bad URL
OBE-29263: HTTP protocol error
OBE-29264: unknown or unsupported URL scheme
OBE-29266: end-of-body reached
OBE-29268: HTTP client error
OBE-29269: HTTP server error
OBE-29270: too many open HTTP requests
OBE-29273: HTTP request failed
OBE-29275: partial multibyte character
OBE-29276: transfer timeout
OBE-29277: invalid SMTP operation
OBE-29278: SMTP transient error: %.*s
OBE-29279: SMTP permanent error: %.*s
OBE-29280: invalid directory path
OBE-29281: invalid mode
OBE-29282: invalid file ID
OBE-29283: invalid file operationstring
OBE-29284: file read error
OBE-29285: file write error
OBE-29286: internal error
OBE-29287: invalid maximum line size
OBE-29288: invalid file name
OBE-29289: directory access denied
OBE-29290: invalid offset specified for seek
OBE-29291: file remove operation failed
OBE-29292: file rename operation failed
OBE-29295: invalid mime header tag
OBE-29298: Character set mismatch
OBE-29357: %s %.*s already exists
OBE-29358: resource plan %.*s does not exist
OBE-29361: value %ld for %s is outside valid range of 0 to 100
OBE-29362: plan directive %.*s, %.*s does not exist
OBE-29364: plan directive %.*s, %.*s already exists
OBE-29366: plan directive name '%.*s' not supported
OBE-29368: consumer group %.*s does not exist
OBE-29471: DBMS_SQL access denied
OBE-29474: DBMS_SQL.OPEN_CURSOR failed. security_level of 0 is not allowed
OBE-29879: cannot create multiple domain indexes on a column list using same
OBE-29900: operator binding does not exist