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Start on Cloud

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

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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QUICK START
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OceanBase Database

SQL - V4.1.0Enterprise Edition

  • What is OceanBase Database
    • Overview
    • Differences between the features of the Enterprise Edition and the Community Edition
    • System architecture
    • Compatibility with Oracle
      • Overview
      • SQL data types
      • Built-in functions
      • System views
    • Compatibility with MySQL
    • Limitations
  • Get Started
    • Get started with OceanBase Database
    • Learn OceanBase SQL
      • Before you begin
      • Basic SQL operations (MySQL mode)
      • Basic SQL operations (Oracle mode)
    • Build a sample application (MySQL mode)
      • Build a Python application
      • Build a Java application
      • Build a C application
      • Build a Go application
    • Build a sample application (Oracle mode)
      • Build a Python application
      • Build a Java application
      • Build 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
      • DDL
        • Try out new DDL features in MySQL mode
        • Try out new DDL features in Oracle mode
    • Video tutorials
  • Develop
    • Develop applications in MySQL mode
      • Connect to OceanBase Database
        • Overview
        • Connect to an OceanBase Database tenant by using the mysql client
        • Connect to an OceanBase Database tenant by using OBClient
        • Connect to OceanBase Database by using ODC
        • Connect to OceanBase Database by using Spring Boot
        • Connect to OceanBase Database by using Spring Batch
        • Connect to OceanBase Database by using Spring JDBC
        • Connect to OceanBase Database by using Spring JPA
        • Connect to OceanBase Database by using Hibernate
        • Use database connection pool
          • Database connection pool configuration
          • Configure a Tomcat connection pool
          • Configure a C3P0 connection pool
          • Configure a Proxool connection pool
          • Configure a HiKariCP connection pool
          • Configure a DBCP connection pool
          • Configure a CommonPool connection pool
          • Configure a JDBC connection pool
      • Create database objects
        • Create a database
        • Create a table
        • Create indexes
      • Write data
        • Insert data
        • Update data
        • Delete data
        • Replace data
      • Read data
        • About queries
        • Single-table queries
        • Conditional queries
        • ORDER BY queries
        • GROUP BY queries
        • Use the LIMIT clause in queries
        • Join tables
          • INNER JOIN queries
          • FULL JOIN queries
          • LEFT JOIN queries
          • RIGHT JOIN queries
          • Subqueries
        • 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
          • Use the SELECT FOR UPDATE statement to lock query results
        • Execution plans
          • View an execution plan
          • Understand an execution plan
        • Use SQL hints in queries
        • Variables of query timeout
      • 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
      • Troubleshoot common errors
        • 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 in Oracle mode
      • Connect to OceanBase Database
        • Overview
        • Connect to an OceanBase Database tenant by using OBClient
        • Connect to OceanBase Database by using ODC
        • Connect to OceanBase Database by using Spring Boot
        • Connect to OceanBase Database by using Spring Batch
        • Connect to OceanBase Database by using Spring JDBC
        • Connect to OceanBase Database by using MyBatis
        • Use database connection pool
          • Database connection pool configuration
          • Configure a Tomcat connection pool
          • Configure a C3P0 connection pool
          • Configure a Proxool connection pool
          • Configure a HiKariCP connection pool
          • Example of configuring a DBCP connection pool
          • Configure a CommonPool connection pool
          • Configure a JDBC connection pool
      • Create database objects
        • Create a table
        • Create an index
      • Write data
        • Insert data
        • Update data
        • Delete data
        • Replace data
      • Read data
        • About queries
        • Single-table queries
        • Conditional queries
        • ORDER BY queries
        • GROUP BY queries
        • Use Row_Limiting_Clause in queries
        • Join tables
          • INNER JOIN queries
          • FULL JOIN queries
          • LEFT JOIN queries
          • RIGHT JOIN queries
          • Subqueries
        • 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
        • Execution plans
          • View execution plans of queries
          • Understand an execution plan
        • Use SQL hints in queries
        • About query timeout variables
      • Transactions
        • Overview
        • Start a transaction
        • Savepoints
          • Mark a savepoint
          • Roll back a transaction to a savepoint
        • Commit a transaction
        • Roll back a transaction
      • Troubleshoot common errors
        • Idle transaction timed out, with ORA-24761 error reported
        • Transaction timeout, with ORA-00600 error reported
        • User locked, with ERROR 3118 reported
        • Incorrect user password, with ERROR 1045 reported
        • Table already exists, with ORA-00955 error reported
        • Table does not exist, with ORA-04043 error reported
        • Duplicate data inserted, with ORA-00001 error reported
        • ORA-00600 error reported in foreign key addition
        • Inconsistent data types, with ORA-00932 error reported
  • Deploy
    • Overview
    • OceanBase cluster deployment solutions
    • Deploy OceanBase Database Enterprise Edition
      • Deployment process
      • Before deployment
        • Prepare servers
        • Configure servers
        • Prepare installation packages
      • Deploy through GUI
        • Configure deployment environment
          • Deploy OAT
          • Verify OAT deployment
          • Configure the clock source
          • Upload installation packages
          • Add a server
          • Edit a server
          • Create MetaDB
        • Deploy OCP
          • Overview
          • Deploy OCP
          • Verify OCP deployment
        • Deploy OceanBase clusters
          • Add an OBServer node to the resource pool
          • Create an OceanBase cluster
        • Deploy ODP
          • Overview
          • Deploy ODP
        • Create OceanBase tenant
          • View resources available for a business tenant
          • Create a tenant
          • Verify connectivity after tenant creation
        • Deploy ODC
          • Overview
          • Deploy ODC
          • Verify ODC deployment
      • Deploy through CLI
        • Configure deployment environment
          • Install oat-cli
          • Use oat-cli to configure the deployment environment
          • Configure the clock source
          • Upload installation packages
          • Configure host information
          • Check the environment before deployment
        • Deploy OCP
          • Overview
          • Generate a configuration file
          • Deploy OCP
          • Verify OCP deployment
        • Deploy OceanBase clusters
          • Deploy a single-replica OceanBase cluster
          • Deploy a three-replica OceanBase cluster
        • Deploy ODP
          • Deploy ODP
        • Create OceanBase tenants
          • View resources available for a business tenant
          • Create a tenant
          • Verify connectivity after tenant creation
        • Deploy ODC
          • Overview
          • Modify the configuration file
          • Start deployment
          • Verify deployment
    • Deploy OceanBase Database Community Edition
      • Overview
      • Deploy locally
        • Software and hardware requirements
        • Before deployment
          • Check resources
          • Set password-free SSH logon
          • Configure the clock source
          • Perform disk planning
          • Configure the limits.conf file
          • Configure the sysctl.conf file
          • Disable the firewall and SELinux
          • Create a user
        • Deploy through GUI
          • Deploy an OceanBase cluster by using OCP
        • Deploy OceanBase Database in a production environment by using a CLI
      • Deploy OceanBase Database in a Kubernetes cluster
    • Clean up an old cluster
  • Migrate
    • About data migration
    • Migrate from MySQL databases to OceanBase Database
      • Migrate data from a MySQL database to OceanBase Database by using mydumper and myloader
      • 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 DBCAT to migrate schemas from OceanBase Database to a MySQL database
      • Use DataX to migrate table data from OceanBase Database to a MySQL database
      • Synchronize data from OceanBase Database to a MySQL database using Canal
      • Migrate data from a MySQL OceanBase database to a MySQL database using CloudCanal
      • Migrate data from OceanBase Database to a MySQL database using Flink CDC
      • Migrate data from a MySQL database in OceanBase Database to a MySQL database using ChunJun
    • Migrate from Oracle databases to 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 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 DBCAT to migrate DB2 LUW table schemas to 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 OBLOADER & OBDUMPER to migrate data between MySQL tenants in OceanBase Database clusters
      • Use OBLOADER & OBDUMPER to migrate data from a MySQL tenant to an Oracle tenant in an OceanBase cluster
      • Use OBLOADER & OBDUMPER to migrate data between Oracle tenants in OceanBase Database clusters
      • 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 by using OUTFILE statements
    • Bypass import
      • Overview
      • Import data in bypass mode by using the LOAD DATA statement
      • Import data in bypass mode by using the INSERT INTO SELECT statement
  • Manage
    • Log on to an OceanBase Database tenant
    • Manage clusters
      • Overview
      • Cluster parameters
      • Common cluster operations
        • View a zone
        • View a node
        • Restart a node
        • Add a node
        • 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
        • Online scale-out from standalone deployment to distributed deployment
        • Upgrade clusters
          • Upgrade using CLI
            • Overview
            • Perform an upgrade
            • Check upgrade results
      • Troubleshoot common problems
        • Failures of a minority of nodes
        • Failures of the majority of nodes
    • Manage tenants
      • Tenant introduction
      • Tenant capacity
      • Tenant types
      • User tenants
      • System variables of a tenant
      • Common tenant operations
        • Create a tenant
        • Resource isolation
          • Overview
          • Manage resource isolation (Oracle mode)
            • Configure cgroups
            • Configure user-level resource isolation
            • Configure SQL statement-level resource isolation
            • Update a plan directive
            • Delete a plan directive
            • Delete a resource management plan
            • Delete a resource group
            • Clear cgroup configurations
          • Manage resource isolation (MySQL mode)
            • Configure cgroups
            • Configure user-level resource isolation
            • Configure SQL statement-level resource isolation
            • Update a plan directive
            • Delete a plan directive
            • Delete a resource management plan
            • Delete a resource group
            • Clear cgroup configurations
        • View tenant and resource information
        • Set and modify the tenant allowlist
        • View system variables of a tenant
        • Modify system variables of a tenant
        • Scale in/out
          • Tenant scaling
          • Modify the unit configs for a tenant
          • Modify the number of resource units for a tenant
          • Modify the number of primary zones for a tenant
        • Modify the attributes of a resource pool
        • Modify attributes of a tenant
        • Lock and unlock a tenant
        • Drop a tenant
        • Restore a tenant
        • Drop a resource pool
        • Drop a unit config
    • Manage replicas
      • What is replica
      • Replica distribution
        • Locality
        • Locality common operations
          • View locality
          • Modify locality
          • Add replicas
          • Remove replicas
          • Adjust the distribution of replicas
          • View the locality change history
          • Migrate units
      • Traffic distribution
      • Data distribution
    • High availability
      • What is high availability
      • Multi-replica disaster recovery
        • Data links
        • High availability of ODP
        • Database-level high availability
        • Disaster recovery architecture and levels
      • Physical standby database disaster recovery
        • Overview
        • Limitations
        • Create a standby tenant
        • Change the restore source of a standby tenant
        • Monitor the log synchronization status of a standby tenant
        • Adjust the log synchronization performance of a standby tenant
        • Adjust the log archiving speed of the primary tenant
        • Switch roles
          • Overview
          • Switchover
          • Failover
        • Drop a primary or standby tenant
      • Arbitration high availability
        • Overview
        • Enable the arbitration service
        • Disable the arbitration service
        • Modify the downgrade timeout period
        • Replace the arbitration service
        • Remove the arbitration service
      • Manage recycle bin
        • Recycle bin
        • 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 mode
          • Authentication
          • Password complexity
          • Login failure processing
        • Oracle mode
          • Authentication
          • Password complexity
          • Login failure processing
      • Access control
        • Overview
        • Users and permissions
          • Overview
          • MySQL mode
            • Privilege types in MySQL mode
            • Grant privileges
            • Privilege delegation
            • View user privileges
            • Modify user privileges
          • Oracle mode
            • Privilege types in Oracle mode
            • Direct privileges
            • Privilege delegation
            • Manage roles
            • Indirect privileges
            • View user privileges
            • Modify user privileges
        • Network security access control
        • Row-level access control
      • Data transmission encryption
        • Overview
        • OBServer transmission encryption
        • ODP transmission encryption
      • Transparent data encryption
        • Overview
        • MySQL mode
          • Enable transparent data encryption for new tables
          • Enable transparent data encryption for existing tables
          • Decrypt a table
        • Oracle mode
          • Enable transparent data encryption for a new table
          • Enable transparent data encryption for an existing table
          • Decrypt a table
      • Security audit
        • Overview
        • Enable security audit
        • Set and view audit rules
        • View audit records
        • Audit user logon operations
        • Audit user operations
        • Audit specified database objects
    • Backup and restore
      • Introduction to physical backup and restore
      • Deploy NFS
      • Log archive
        • Overview
        • Prepare for log archiving
        • Enable log archiving
        • Disable log archiving
        • View information about pieces
        • View the archiving progress
        • View the archiving history
        • View the archiving parameter settings
        • Change the destination of log archiving
        • Views related to log archiving
      • Data backup
        • Preparations
        • Initiate a full data backup job
        • Initiate an incremental data backup job
        • Stop a backup job
        • View the data backup progress
        • View the data backup history
        • View data backup parameter settings
        • Change the backup destination
        • Views related to data backup
      • Clear backup data
        • Automatic cleanup of expired backups
        • Stop backup cleanup
        • Query the backup cleanup progress
        • Query the backup cleanup history
        • Backup cleanup parameter
        • Views related to backup cleanup
      • Restore data
        • Preparations before the restore
        • Perform physical restore
        • Cancel the restore
        • Query the restore progress
        • Query the restore result
        • Change the role of a standby tenant to PRIMARY
        • Replay logs to a standby tenant
        • Parameters related to physical restore
        • Views related to physical restore
    • Monitoring
      • 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 metrics
      • View logs
        • Search for the logs of a specific SQL request
    • Performance tuning
      • SQL tuning
        • Execution plan optimization
          • Statistical information and row estimation
            • Statistical information
              • Collect statistical information
                • Automatic statistics collection
        • Business logic optimization
          • Schema specifications
    • Troubleshooting
      • Troubleshoot SQL execution errors
  • Reference
    • Concepts
      • Overall architecture of OceanBase Database
      • Database objects
        • Oracle mode
          • Tables
            • Overview
        • MySQL mode
          • Tables
            • Data type
              • Date and time data types
      • Data reliability and high availability
        • High availability architecture
          • Automatic handling of node failures
    • Administrator guide
      • Database connection and routing
        • Overview
        • Manage 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
            • 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
        • Manage routing
          • Table-based routing of ODP
          • LDC-based routing
          • ODP routing policy
            • Read/Write splitting
            • Follower-first read
            • Blocklist mechanism
            • Transaction routing
      • Cluster and multi-tenant management
        • Manage clusters
          • Create a cluster
          • Manage clusters
          • Manage cluster parameters
            • Overview
            • Query cluster parameters
            • Modify cluster-level parameters
          • Manage zones in clusters
            • Overview of zone management
            • Add or delete a zone
            • Start or stop a zone
            • Modify the configurations of a zone
            • Restart a zone
            • Isolate a failed zone
          • Manage nodes
            • Add nodes
            • View the status of a node
            • Stop or start a node
            • Restart a node
            • Isolate a failed node
            • Delete a node
            • Replace a node
          • View the topology of a cluster
          • Overview of cluster tenant management
          • Monitor cluster performance
          • Cluster performance report
          • View resource information of a cluster
        • Manage configurations
          • Overview of configuration management
          • Set parameters
          • Set variables
          • General system parameters
          • Default production parameters
          • Minimum resource configurations
        • Manage resources
          • Overview
          • Create a resource unit configuration
          • Manage resource units
            • View resource unit configurations
            • Modify configurations of a resource unit
            • Drop a resource unit
          • Create a resource pool
          • Manage resource pools
            • View resource pools
            • Allocate a resource pool to a tenant
            • Modify a resource pool
            • Merge resource pools
            • Split a resource pool
            • Remove a resource pool from a tenant
            • Delete a resource pool
          • View resource allocation
        • Manage tenants
          • Overview of tenant management
          • Create a tenant
          • Create a user tenant
          • View tenant information
          • Copy a tenant
          • Modify a tenant
          • Rename a tenant
          • Drop a tenant
          • Manage users and permissions
            • Introduction
              • Overview
              • sys tenant
              • Oracle tenants
              • MySQL tenants
            • Oracle mode
              • Create a user
              • Set password complexity rules
              • Handle logon failures
              • View user privileges
              • Modify user privileges
              • Change the password of a user
              • Lock and unlock a user
              • Drop a user
              • Manage roles
                • Overview
                • Create a role
                • Assign a role to another role
                • Assign a role to a user
                • Specify valid or invalid roles for a user
                • View roles
                • Modify a role
                • Revoke a role
                • Drop a role
            • MySQL mode
              • Create a user
              • Set password complexity rules
              • Handle logon failures
              • View user privileges
              • Modify user privileges
              • Change the password of a user
              • Lock and unlock a user
              • Drop a user
          • Set and view the tenant allowlist
          • View the topology of a tenant
          • View the resource configurations of a tenant
          • Modify the resource configurations of a tenant
          • View the performance metrics of a tenant
          • View tenant sessions
          • Terminate a tenant session
          • Set the maximum number of connections for a tenant
          • Manage tenant parameters
            • Overview
            • Query tenant-level parameters
            • Modify tenant-level parameters
          • Manage tenant variables
        • Manage data storage
          • Dump management
            • Overview
            • Automatically trigger a minor compaction
            • Manually initiate a minor compaction
            • View minor compaction information
            • Modify minor compaction settings
          • Merge management
            • Overview
            • Automatically trigger a major compaction
            • Configure scheduled major compactions
            • Adaptive major compaction
            • Manually initiate a major compaction
            • Manually control a major compaction
            • View the major compaction process
            • Modify major compaction settings
          • Data compression
            • Overview
            • Data encoding and compression
        • Manage memory
          • Overview
          • Memory structure
          • Set the maximum memory for an OceanBase database
          • Manage internal system memory
          • Manage internal tenant memory
          • Manage the memory of the plan cache
          • Memleak-based regular memory leak diagnostics mechanism
          • Query memory usage information
          • Common memory issues
        • Manage processes
          • Overview
          • Multi-tenant threads of OceanBase Database
          • FAQ about multi-tenant threads
          • Background threads of OceanBase Database
        • Manage logs
          • Log overview
          • Log print level
            • Log generation levels
            • Set a log generation level
          • Manage size and quantity of log files
            • Use the log file splitting feature
            • Control the number of log files
          • View logs
            • Query the log of an SQL request
            • Query the log of a previous SQL request by using the SQL Trace feature
      • Manage database objects
        • Overview
        • MySQL mode
          • Manage databases
            • Create a database
            • View databases
            • Modify a database
            • Drop a database
          • Manage tables
            • Overview
            • Create a table
            • Define an auto-increment column
            • Define column constraints
            • Query the definition of a table
            • Modify a table
            • Empty a table
            • Drop a table
            • Lock a table
          • Manage indexes
            • Overview
            • Create an index
            • Query indexes
            • Drop an index
          • Manage views
          • Manage sequence
            • Create a sequence
            • Query sequences
            • Reference a sequence
            • Modify a sequence
            • Drop a sequence
          • Manage triggers
            • Overview
            • Create a DML trigger
            • Query trigger information
            • Drop a trigger
        • Oracle mode
          • Manage tables
            • Overview
            • Create a table
            • Define column constraints
            • Query the definition of a table
            • Modify a table
            • Empty a table
            • Drop a table
            • Lock a table
          • Manage indexes
            • Overview
            • Create an index
            • Query indexes
            • Drop an index
          • Manage views
          • Manage sequences
          • Manage synonyms
          • 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
          • Manage DBLink
            • Create a DBLink
            • View existing DBLinks
            • Use a DBLink to access data in a remote database
            • Use a DBLink to modify data in a remote database
            • Drop a DBLink
      • Manage replicas
        • Manage partitions
          • Oracle mode
            • Overview
            • Create a partitioned table
            • Modify partitioning rules
            • Add a partition
            • Drop partitions
            • Truncate a partition
            • Partition pruning
            • Query data in specified partitions
            • Create partitioned table index
              • Overview
              • Local indexes
              • Global indexes
          • MySQL mode
            • Overview
            • Create a partitioned table
            • Modify partitioning rules
            • Add a partition
            • Drop partitions
            • Truncate a partition
            • Partition pruning
            • Query data in specified partitions
            • Create partitioned table index
              • Overview
              • Local indexes
              • Global indexes
        • Manage replicas
          • Overview
          • Create a replica
          • Edit a tenant replica in a zone
          • Delete a tenant replica from a zone
        • Manage locality
          • Overview
          • Modify tenant locality
      • O&M
        • Scaling
          • Overview
          • Overview
            • Scale out
              • Add zones to a cluster
              • Add OBServer nodes to zones
            • Scale in
              • Delete zones from a cluster
              • Delete OBServer nodes from zones
          • Tenant resource scaling
            • Modify unit_config
            • Modify UNIT_NUM
        • Monitoring and alerting
          • Overview
          • Monitoring
            • Status monitoring
            • Performance monitoring
            • SQL monitoring
          • Alerting
            • Configure an alert channel
            • Alert push
            • Perform alert management
            • Manage general alert rules
        • Performance diagnosis
          • ASH report
            • ASH
            • Generate ASH reports
            • Analyze ASH reports
        • Emergency handling
          • Analysis, diagnostics, and decision-making process
          • Common emergency problem handling
            • Issues related to capacity changes
              • High disk I/O on the node
              • Tenant memory full
    • Performance tuning guide
      • Overview
      • Performance related tools
        • System tools
          • General tool Top
          • CPU tools
          • Memory tools
          • Disk I/O tools
          • Network tools
        • Internal tables
          • GV$SYSSTAT
          • GV$OB_SQL_AUDIT
          • GV$OB_TRANSACTION_PARTICIPANTS
        • Logs
          • slow trans
          • dump tenant info
          • trace log
        • OCP
      • System tuning
        • OS parameter tuning
        • Database parameter tuning
          • CPU parameters
          • I/O parameters
          • Memory-related parameters
          • Network transmission parameters
        • OBProxy parameter tuning
          • CPU parameters
          • Network transmission parameters
          • Route parameters on nodes
      • Business model tuning
        • Load balancing
        • SQL diagnostics
        • Distributed transactions
      • SQL optimization guide
        • SQL request execution process
        • SQL execution plan
          • Introduction to SQL execution plans
          • Execution plan operator
            • TABLE SCAN
            • JOIN
            • COUNT
            • GROUP BY
            • WINDOW FUNCTION
            • SUBPLAN FILTER
            • DISTINCT
            • SEQUENCE
            • MATERIAL
            • SORT
            • LIMIT
            • FOR UPDATE
            • SELECT INTO
            • SUBPLAN SCAN
            • UNION
            • INTERSECT
            • EXCEPT/MINUS
            • INSERT
            • DELETE
            • UPDATE
            • MERGE
            • EXCHANGE
            • GI
          • Plan cache
          • Fast parameterization
          • Real-time execution plan display
        • Distributed execution plan
          • Perform distributed execution and parallel queries
          • Generate a distributed plan
          • Schedule distributed execution plans
          • Manage distributed execution plans
          • Execute parallel queries
          • Perform parameter tuning for a parallel query
          • Parallel DML
        • SQL optimization
          • Overview
          • General procedure of SQL tuning
          • SQL execution performance monitoring
            • GV$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 specified 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 conllection methods
              • Overview
              • Histograms
              • Manual statistics collection
              • Automatic statistics collection
              • Online statistics collection
            • Statistics management
              • Overview
              • Deletion
              • Setting
              • Import and export
              • Locking and unlocking
              • History management
              • Collection strategy prefs management
            • Examples
          • 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
              • Join order
          • Manage execution plans
            • Optimizer hints
            • Plan binding
            • SQL plan management
        • Glossary
        • General issues in SQL tuning
      • Performance testing
        • Run the TPC-H benchmark on OceanBase Database
        • TPC-H benchmark report of OceanBase Database
        • Run the Sysbench benchmark on OceanBase Database
        • Sysbench benchmark report of OceanBase Database
        • Run the TPC-C benchmark on OceanBase Database
        • TPC-C benchmark report of OceanBase Database
    • Application development reference
      • SQL syntax
        • System tenants
          • Overview
          • ALTER SYSTEM
            • BACKUP
            • Log archive
            • BALANCE TASK
            • CANCEL MIGRATE UNIT
            • CHANGE TENANT
            • DELETE BACKUPSET
            • DELETE OBSOLETE BACKUP
            • FAILOVER
            • FLUSH
            • JOB
            • MERGE
            • MIGRATE UNIT
            • PARAMETER
            • RECOVER
            • REFRESH
            • REPLICA
            • RESTORE
            • SERVER
            • SWITCHOVER
            • THROTTLE
            • ZONE
          • ALTER RESOURCE POOL
          • ALTER RESOURCE TENANT
          • ALTER RESOURCE UNIT
          • ALTER TENANT
          • CREATE RESOURCE POOL
          • CREATE RESOURCE UNIT
          • CREATE TENANT
          • DROP RESOURCE POOL
          • DROP RESOURCE UNIT
          • DROP TENANT
          • SET DECRYPTION
          • SET ENCRYPTION
        • Common tenant (MySQL mode)
          • Basis elements
            • Data types
              • Overview
              • Numeric types
                • Overview
                • Integer data types
                • Fixed-point data types
                • Floating-point data types
                • Bit value data type
              • Date and time types
                • Overview
                • DATE, DATETIME, and TIMESTAMP types
                • TIME type
                • YEAR type
              • Character types
                • Overview
                • CHAR and VARCHAR
                • BINARY and VARBINARY
              • Large objects and text types
                • Overview
                • BLOB types
                • TEXT types
              • ENUM data type
              • SET data type
              • JSON data types
                • Overview
                • Create a JSON value
                • Query and modify JSON values
                • Convert a JSON data type
              • Spatial data types
                • Overview
                • SRS
                • Create a spatial column
                • Create a spatial index
                • Spatial data formats
            • Expressions
              • Overview
              • Expression syntax
              • Convert data types in expression evaluation
            • Character set and collation
              • Overview
              • Character sets
              • Collations
              • Database-level character sets and collations
              • Table-level character sets and collations
              • Column-level character sets and collations
              • Character sets and collations for character expressions
              • Character sets and collations for client connection
            • Literal
              • Overview
              • Strings
              • Value
              • Datetime values
              • Bit values
              • Boolean
              • NULLs
            • Schema object names
            • User-defined variables
            • Comments
          • Operator
            • Overview
            • Operator precedence
            • Arithmetic operators
            • Bitwise operators
            • Comparison operators
            • Logical operators
            • Assignment operators
            • Datetime operators
            • Concatenation operators
            • BINARY operator
            • CASE conditional operator
          • Sequence pseudocolumns
          • Function
            • Overview
            • Single-row functions
              • Date and time 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
              • 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
                • LCASE
                • LEFT
                • LENGTH
                • LOCATE
                • LOWER
                • LPAD
                • LTRIM
                • MAKE_SET
                • MID
                • OCT
                • OCTET_LENGTH
                • ORD
                • POSITION
                • QUOTE
                • REGEXP
                • REGEXP_INSTR
                • REGEXP_LIKE
                • REGEXP_REPLACE
                • REGEXP_SUBSTR
                • REPEAT
                • REPLACE
                • REVERSE
                • RIGHT
                • RLIKE
                • RPAD
                • RTRIM
                • SPACE
                • STRCMP
                • SUBSTR
                • SUBSTRING
                • SUBSTRING_INDEX
                • TRIM
                • UCASE
                • UNHEX
                • UPPER
                • WEIGHT_STRING
                • TO_BASE64
                • FROM_BASE64
                • SOUNDEX
              • Conversion functions
                • CAST
                • CONVERT
                • SCN_TO_TIMESTAMP
                • TIMESTAMP_TO_SCN
              • Mathematical functions
                • ABS
                • ACOS
                • ASIN
                • ATAN
                • ATAN2
                • BIT_COUNT
                • CEIL
                • CEILING
                • CONV
                • COS
                • COT
                • CRC32
                • DEGREES
                • EXP
                • FLOOR
                • LN
                • LOG
                • LOG10
                • LOG2
                • MOD
                • NEG
                • PI
                • POW
                • POWER
                • RADIANS
                • RAND
                • ROUND
                • SIGN
                • SIN
                • SQRT
                • TAN
                • TRUNCATE
              • Comparison functions
                • GREATEST
                • INTERVAL
                • ISNULL
                • LEAST
              • Process control functions
                • CASE
                • IF
                • IFNULL
                • NULLIF
                • ORA_DECODE
            • Aggregation functions
              • APPROX_COUNT_DISTINCT
              • AVG
              • BIT_AND
              • BIT_OR
              • BIT_XOR
              • COUNT
              • GROUP_CONCAT
              • GROUPING
              • MAX
              • MIN
              • STD
              • STDDEV
              • STDDEV_POP
              • STDDEV_SAMP
              • SUM
              • VAR_POP
              • VAR_SAMP
              • VARIANCE
            • 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
              • RANK
              • ROW_NUMBER
              • STD
              • STDDEV
              • STDDEV_POP
              • STDDEV_SAMP
              • SUM
              • VAR_POP
              • VAR_SAMP
              • VARIANCE
            • Encryption functions
              • AES_DECRYPT
              • AES_ENCRYPT
              • COMPRESS
              • DECODE
              • DES_DECRYPT
              • DES_ENCRYPT
              • ENCODE
              • ENCRYPT
              • MD5
              • UNCOMPRESS
              • UNCOMPRESSED_LENGTH
              • RANDOM_BYTES
              • SHA
              • SHA1
              • SHA2
              • VALIDATE_PASSWORD_STRENGTH
            • Information functions
              • BENCHMARK
              • CHARSET
              • COERCIBILITY
              • COLLATION
              • CONNECTION_ID
              • CURRENT_USER
              • DATABASE
              • FOUND_ROWS
              • LAST_INSERT_ID
              • ICU_VERSION
              • ROW_COUNT
              • SCHEMA
              • SESSION_USER
              • SYSTEM_USER
              • USER
              • VERSION
              • OB_VERSION
            • JSON functions
              • Create JSON text
                • JSON_ARRAY
                • JSON_OBJECT
                • JSON_QUOTE
              • Search JSON text
                • JSON_CONTAINS
                • JSON_CONTAINS_PATH
                • JSON_EXTRACT
                • JSON_KEYS
                • JSON_OVERLAPS
                • JSON_SEARCH
                • JSON_VALUE
                • MEMBER OF
              • Modify JSON text
                • JSON_ARRAY_APPEND
                • JSON_ARRAY_INSERT
                • JSON_INSERT
                • JSON_MERGE
                • JSON_MERGE_PATCH
                • JSON_MERGE_PRESERVE
                • JSON_REMOVE
                • JSON_REPLACE
                • JSON_SET
                • JSON_UNQUOTE
              • Return JSON text properties
                • JSON_DEPTH
                • JSON_LENGTH
                • JSON_TYPE
                • JSON_VALID
              • JSON utility functions
                • JSON_PRETTY
                • JSON_STORAGE_SIZE
              • JSON aggregation functions
                • JSON_ARRAYAGG
                • JSON_OBJECTAGG
            • Spatial functions
              • Create a geometric function
              • Spatial operation functions
              • Spatial relation functions
              • Geometry property functions
              • Geometric format conversion functions
          • Queries and subqueries
            • Overview
            • Subquery
            • JOIN
          • SQL statements
            • General syntax
            • CTE
            • ALTER DATABASE
            • ALTER OUTLINE
            • ALTER SEQUENCE
            • MERGE
            • ALTER TABLE
            • ALTER TABLEGROUP
            • ALTER USER
            • ALTER VIEW
            • ANALYZE
            • CREATE DATABASE
            • CREATE INDEX
            • CREATE OUTLINE
            • CREATE SEQUENCE
            • CREATE TABLE
            • CREATE TABLEGROUP
            • CREATE USER
            • CREATE VIEW
            • DEALLOCATE PREPARE
            • DELETE
            • DESCRIBE
            • DROP DATABASE
            • DROP INDEX
            • DROP OUTLINE
            • DROP TABLE
            • DROP TABLEGROUP
            • DROP SEQUENCE
            • DROP USER
            • DROP VIEW
            • EXECUTE
            • EXPLAIN
            • FLASHBACK
            • GRANT
            • HELP
            • INSERT
            • KILL
            • LOAD DATA
            • LOCK TABLES
            • MERGE
            • OPTIMIZE
            • PREPARE
            • PURGE
            • PURGE RECYCLEBIN
            • RENAME USER
            • RENAME TABLE
            • REPLACE
            • REVOKE
            • SAVEPOINT
            • SCHEMA
            • SELECT INTO
            • SELECT
              • SELECT
              • JOIN clause
              • OVER clause
              • UNION clause
            • SET
            • SET CHARSET
            • SET NAMES
            • SET PASSWORD
            • SET TRANSACTION
            • SHOW
            • TRANSACTION
            • TRUNCATE TABLE
            • UPDATE
            • USE
          • DDL features
            • Overview
            • Index operations
            • Primary key operations
            • Column operations
            • Column generation operations
            • Foreign key operations
            • Table operations
            • Partition operations
            • Column type change rules
          • Performance schema functions
            • FORMAT_BYTES
            • FORMAT_PICO_TIM
          • 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
            • NVL
            • UUID_TO_BIN
            • SLEEP
            • UUID
            • UUID_SHORT
            • VALUES
        • Common tenant (Oracle mode)
          • Introduction to SQL
          • Pseudo column
            • Overview
            • Hierarchical query pseudocolumns
            • Sequence pseudocolumns
            • ORA_ROWSCN pseudocolumn
            • ROWNUM pseudocolumn
            • ROWID pseudocolumn
          • Basic elements
            • Built-in data types
              • Overview
              • Character data types
                • Overview
                • CHAR data type
                • NCHAR data type
                • NVARCHAR2 data type
                • VARCHAR2 data type
                • VARCHAR data type
              • Numeric data types
                • Overview
                • NUMBER data type
                • FLOAT data type
                • Floating-point numbers
                • Precedence of numeric data types
              • Date and time and interval data types
                • Overview
                • DATE type
                • TIMESTAMP type
                • TIMESTAMP WITH TIME ZONE date type
                • TIMESTAMP WITH LOCAL TIME ZONE data type
                • INTERVAL YEAR TO MONTH data type
                • INTERVAL DAY TO SECOND data type
                • Calculation of dates, timestamps, and intervals
              • RAW data type
              • Large object data types
                • Overview
                • BLOB data type
                • CLOB data type
              • Rowid data types
              • User-defined data types
              • Any type
              • JSON data types
                • Overview
                • Create JSON columns
                • Query JSON data
                • Conversion rules for JSON data types
            • Data type comparison rules
              • Overview
              • Numeric value comparison rules
              • Date value comparison rules
              • Character value comparison rules
              • Data type precedence
              • Data type conversion rules
              • Security considerations for data conversion
            • Literal
              • Overview
              • Text literals
              • Numeric literals
              • Date and time literal
                • Date literals
                • Timestamp literals
              • Interval literals
            • Format model
              • Overview
              • Number format models
              • Datetime format models
              • RR datetime format element
              • String-to-date conversion rules
            • Null value
              • Overview
              • Nulls in SQL functions
              • Nulls in comparison conditions
              • Nulls in conditional expressions
            • Annotation
              • Overview
              • Comments within SQL statements
              • Comments on schema and nonschema objects
              • Hint
                • Overview
                • Hint list
                  • Hints related to access path
                  • Hints related to join orders
                  • Hints related to joins
                  • Hints related to parallel execution
                  • Hints related to query strategy
                  • Hints related to query conversion
                  • Other hints
            • Database objects
              • Schema objects
              • Non-schema objects
            • Database naming conventions
              • Overview
              • Suggestions on schema object names
            • Database object reference method
              • Overview
              • Reference to schema objects
              • Reference objects in remote databases
                • Create a database link
                • Reference a database link
              • Reference to partition tables and indexes
              • Reference an attribute or method of an object type
          • Operator
            • Overview
            • Operator precedence
            • Arithmetic operators
            • Concatenation operator
            • Hierarchical query operators
            • Set operators
            • COLLATE operator
          • Function
            • Overview
            • Single-row functions
              • Numeric functions
                • ABS
                • ACOS
                • ASIN
                • ATAN
                • ATAN2
                • BITAND
                • CEIL
                • COS
                • COSH
                • EXP
                • FLOOR
                • LN
                • LOG
                • MOD
                • NANVL
                • POWER
                • REMAINDER
                • ROUND
                • SIGN
                • SIN
                • SINH
                • SQRT
                • TAN
                • TANH
                • TRUNC
                • WIDTH_BUCKET
              • String functions returning strings
                • CHR
                • CONCAT
                • INITCAP
                • LOWER
                • LPAD
                • LTRIM
                • NLS_LOWER
                • NLS_UPPER
                • REGEXP_REPLACE
                • REGEXP_SUBSTR
                • REPLACE
                • RPAD
                • RTRIM
                • SUBSTR
                • TRANSLATE
                • TRANSLATE ... USING
                • TRIM
                • UPPER
              • String functions returning numbers
                • ASCII
                • INSTR
                • LENGTH
                • REGEXP_COUNT
                • REGEXP_INSTR
              • Date and time
                • 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
                • Overview
                • Create JSON text
                  • JSON_ARRAY
                  • JSON_OBJECT
                  • JSON_ARRAYAGG
                  • JSON_OBJECTAGG
                • Query JSON text
                  • JSON_VALUE
                  • JSON_QUERY
                  • JSON_EXISTS
                  • JSON_TABLE
                • Validate JSON text
                  • JSON_EQUAL
                • Modify JSON text
                  • JSON_MERGEPATCH
            • Aggregation 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
            • Analysis functions
              • Analytic functions
              • AVG
              • 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
          • Expressions
            • Overview
            • Simple expressions
            • Compound expressions
            • Case expressions
            • Column expressions
            • CURSOR expressions
            • Datetime expressions
            • Function expressions
            • Interval expressions
            • Scalar subquery expressions
            • Type constructor expressions
            • Expression list
          • Conditions
            • Overview
            • Condition precedence
            • Comparison conditions
            • Floating-point conditions
            • Logical conditions
            • Pattern-matching conditions
            • Null conditions
            • Compound conditions
            • BETWEEN condition
            • EXISTS condition
            • IN condition
          • Queries and subqueries
            • Overview
            • Simple query
            • Hierarchical query
            • Compound query
            • Join queries
            • Subqueries
            • DUAL table query
          • SQL statements
            • DDL
              • ALTER INDEX
              • ALTER KEYSTORE
              • ALTER OUTLINE
              • ALTER PROFILE
              • ALTER ROLE
              • ALTER SEQUENCE
              • ALTER SESSION
              • ALTER SYSTEM FLUSH PLAN CACHE
              • ALTER SYSTEM PARAMETER
              • ALTER TABLE
              • ALTER TABLEGROUP
              • ALTER USER
              • CREATE CONTEXT
              • CREATE DIRECTORY
              • CREATE DATABASE LINK
              • CREATE INDEX
              • CREATE KEYSTORE
              • CREATE OUTLINE
              • CREATE PROFILE
              • CREATE ROLE
              • CREATE SEQUENCE
              • CREATE SYNONYM
              • CREATE TABLE
              • CREATE TABLEGROUP
              • CREATE TABLESPACE
              • CREATE USER
              • CREATE VIEW
              • DROP CONTEXT
              • DROP DIRECTORY
              • DROP INDEX
              • DROP OUTLINE
              • DROP PROFILE
              • DROP ROLE
              • DROP SEQUENCE
              • DROP SYNONYM
              • DROP TABLE
              • DROP TABLEGROUP
              • DROP TABLESPACE
              • DROP USER
              • DROP VIEW
              • RENAME
              • TRUNCATE TABLE
              • ALTER SYSTEM MAJOR FREEZE
            • DML
              • DELETE
              • INSERT
              • MERGE
              • PURGE
              • SELECT
                • SIMPLE SELECT
                • Set-based SELECT
                • WITH CLAUSE
              • UPDATE
            • DCL
              • ANALYZE
              • AUDIT
              • COMMENT
              • COMMIT
              • EXPLAIN
              • FLASHBACK TABLE BEFORE DROP
              • GRANT
              • KILL
              • LOAD DATA
              • LOCK TABLE
              • REVOKE
              • ROLLBACK
              • SAVEPOINT
              • SET NAMES
              • SET PASSWORD
              • SET ROLE
              • SET VARIABLE
              • SHOW
              • SHRINK
              • TRANSACTION
          • DDL features
            • Overview
            • Index operations
            • Primary key operations
            • Column operations
            • Column generation operations
            • Foreign key operations
            • Table operations
            • Partition operations
            • Column type change rules
      • SQL practices and suggestions
        • Limits on writing SQL statements
        • SQL writing guidelines
          • SELECT statements
          • DML statements
          • Multi-table join statements
          • Table scan
          • Transactions
          • Cache
          • Hint
          • Other specifications
        • SQL statement examples
          • Implicit data type conversion
          • JOIN tables
          • Weak consistency read
          • Pagination queries
      • PL reference
        • What is PL
          • Overview
          • Main features of PL
          • PL architecture
        • MySQL mode
          • Syntax of PL stored programs
          • PL stored procedure
            • Overview
            • Variables in stored programs
            • Stored procedures
            • Stored functions
            • Trigger
            • Limitations on stored programs
          • PL cursor
            • Overview
            • Cursor execution process
            • Limitations on server cursors
          • PL conditional control statements
            • CASE
            • IF
            • ITERATE
            • LEAVE
            • LOOP
            • REPEAT
            • RETURN
            • WHILE
          • PL DML statements
            • CALL
            • DO
          • PL DDL 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
            • Effective scope of an exception handler
            • Diagnostics area
            • Exception handling and OUT/INOUT parameters
            • Limitations on exception handling
          • PL system package
            • Overview
            • DBMS_RESOURCE_MANAGER
              • Overview
              • CREATE_CONSUMER_GROUP
              • CREATE_PLAN
              • CREATE_PLAN_DIRECTIVE
              • DELETE_CONSUMER_GROUP
              • DELETE_PLAN
              • DELETE_PLAN_DIRECTIVE
              • SET_CONSUMER_GROUP_MAPPING
              • UPDATE_PLAN_DIRECTIVE
            • 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_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
              • 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_TABLE_PREFS
              • UNLOCK_PARTITION_STATS
              • UNLOCK_SCHEMA_STATS
              • UNLOCK_TABLE_STATS
            • DBMS_UDR
              • Overview
              • CREATE_RULE
              • DISABLE_RULE
              • ENABLE_RULE
              • REMOVE_RULE
            • DBMS_XPLAN
              • Overview
              • DISABLE_OPT_TRACE
              • ENABLE_OPT_TRACE
              • SET_OPT_TRACE_PARAMETER
          • Reserved and non-reserved PL keywords
        • Oracle mode
          • PL language basics
            • Character sets
            • Lexical units
            • Declaration
            • Reference identifiers
            • Scope and visibility of identifiers
            • Assign values
            • Expressions
            • PL blocks
            • Subprograms
            • Error-reporting functions
          • PL data types
            • Overview
            • SQL data types
            • LOB data types
            • BOOLEAN type
            • User-defined subtypes
            • PLS_INTEGER and BINARY_INTEGER
            • Arrays
            • PL JSON data types
          • PL process control
            • Overview
            • Conditional control
            • Loop control
            • Sequential control
          • PL collections and records
            • Overview
            • Collections
            • Associative arrays
            • Varrays
            • Nested tables
            • Collection constructor function
            • Collection methods
              • Overview of collection methods
              • DELETE method
              • TRIM method
              • EXTEND method
              • EXISTS method
              • FIRST and LAST methods
              • COUNT method
              • LIMIT method
              • PRIOR and NEXT methods
            • Records
            • Insert records into a table and update a table by using records
            • Create and call a subprogram with record type parameters
          • PL static SQL
            • Overview
            • Cursor
              • Overview
              • Cursor attributes
              • Implicit cursors
              • Explicit cursors
              • Cursor variables
              • Traverse cursor data by using the FOR loop
              • Modify and drop a cursor
            • Transaction processing and control
            • Autonomous transactions
              • Overview
              • Control autonomous transactions
              • Autonomous triggers
              • Call autonomous functions from SQL statements
          • PL dynamic SQL
            • Overview
            • Execute dynamic SQL statements
            • DBMS_SQL system package
          • PL stored procedure and functions
            • Overview
            • Create a stored procedure
            • Create a function
            • Manage stored procedures and functions
            • Privilege control
            • Pipeline functions
              • Overview
              • Create a pipelined table function
              • Application
            • User defined functions
              • Overview
              • Interface for user-defined aggregate functions
              • Create user-defined aggregate functions
              • Use user-defined aggregate functions
          • PL trigger
            • Overview
            • Create a DML trigger
            • Modify and drop a trigger
            • Disable or enable a trigger
            • Query trigger information
            • INSTEAD OF DML trigger
            • Compound DML trigger
          • PL package
            • Overview
            • Create a program package
            • Overloaded programs in a package
            • Manage program packages
            • Definition of the PL environment by the STANDARD package
          • PL exception handling
            • Overview
            • Compile-Time alerts
            • Exception types
            • Exception handling processes
          • 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 label security PL packages
            • SA_SYSDBA
              • SA_SYSDBA overview
              • SA_SYSDBA.ALTER_POLICY
              • SA_SYSDBA.CREATE_POLICY
              • SA_SYSDBA.DROP_POLICY
            • SA_COMPONENTS
              • SA_COMPONENTS overview
              • SA_COMPONENTS.ALTER_LEVEL
              • SA_COMPONENTS.CREATE_LEVEL
              • SA_COMPONENTS.DROP_LEVEL
            • SA_LABEL_ADMIN
              • SA_LABEL_ADMIN overview
              • SA_LABEL_ADMIN.ALTER_LABEL
              • SA_LABEL_ADMIN.CREATE_LABEL
              • SA_LABEL_ADMIN.DROP_LABEL
            • SA_POLICY_ADMIN
              • SA_POLICY_ADMIN 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
              • SA_USER_ADMIN overview
              • SA_USER_ADMIN.SET_LEVELS
            • SA_SESSION
              • SA_SESSION overview
              • 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 mode)
            • Overview
            • DBMS_APPLICATION_INFO
              • Overview
              • READ_CLIENT_INFO
              • READ_MODULE
              • SET_ACTION
              • SET_CLIENT_INFO
              • SET_MODULE
            • DBMS_AUDIT_MGMT
              • Overview
              • CLEAN_AUDIT_TRAIL
              • CREATE_PURGE_JOB
              • DROP_PURGE_JOB
              • SET_LAST_ARCHIVE_TIMESTAMP
              • SET_PURGE_JOB_STATUS
            • DBMS_CRYPTO
              • Overview
              • ENCRYPT
              • DECRYPT
              • HASH
            • 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_JOB
              • Overview
              • BROKEN
              • CHANGE
              • ZONE
              • INTERVAL
              • NEXT_DATE
              • REMOVE
              • RUN
              • SUBMIT
              • USER_EXPORT
              • WHAT
            • DBMS_LOB
              • Overview
              • APPEND
              • CLOSE
              • COPY
              • CREATETEMPORARY
              • ERASE
              • FREETEMPORARY
              • GETLENGTH
              • ISOPEN
              • INSTR
              • OPEN
              • READ
              • SUBSTR
              • TRIM
              • WRITE
              • WRITEAPPEND
            • DBMS_LOCK
              • Overview
              • SLEEP
            • DBMS_METADATA
              • Overview
              • GET_DDL
            • DBMS_OUTPUT
              • Overview
              • DISABLE
              • ENABLE
              • GET_LINE
              • GET_LINES
              • NEW_LINE
              • PUT
              • PUT_LINE
            • DBMS_PLAN_CACHE
              • Overview
              • PURGE
            • DBMS_RANDOM
              • Overview
              • INITIALIZE
              • NORMAL
              • RANDOM
              • SEED
              • STRING
              • TERMINATE
              • VALUE
            • DBMS_RESOURCE_MANAGER
              • Overview
              • CREATE_CONSUMER_GROUP
              • CREATE_PLAN
              • CREATE_PLAN_DIRECTIVE
              • DELETE_CONSUMER_GROUP
              • DELETE_PLAN
              • DELETE_PLAN_DIRECTIVE
              • SET_CONSUMER_GROUP_MAPPING
              • UPDATE_PLAN_DIRECTIVE
            • DBMS_SCHEDULER
              • Overview
              • CREATE_JOB
              • CREATE_PROGRAM
              • DEFINE_PROGRAM_ARGUMENT
              • DISABLE
              • DROP_JOB
              • DROP_PROGRAM
              • ENABLE
              • GENERATE_JOB_NAME
              • RUN_JOB
              • SET_ATTRIBUTE
              • SET_JOB_ARGUMENT_VALUE
            • DBMS_SESSION
              • Overview
              • CLEAR_ALL_CONTEXT
              • CLEAR_CONTEXT
              • CLEAR_IDENTIFIER
              • SET_CONTEXT
              • SET_IDENTIFIER
            • DBMS_SQL
              • Overview
              • BIND_VARIABLE
              • CLOSE_CURSOR
              • COLUMN_VALUE
              • DEFINE_COLUMN
              • DEFINE_ARRAY
              • DESCRIBE_COLUMNS
              • EXECUTE
              • EXECUTE_AND_FETCH
              • FETCH_ROWS
              • IS_OPEN
              • OPEN_CURSOR
              • PARSE
            • 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_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
              • 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_TABLE_PREFS
              • UNLOCK_PARTITION_STATS
              • UNLOCK_SCHEMA_STATS
              • UNLOCK_TABLE_STATS
            • DBMS_UDR
              • Overview
              • CREATE_RULE
              • DISABLE_RULE
              • ENABLE_RULE
              • REMOVE_RULE
            • DBMS_UTILITY
              • Overview
              • ACTIVE_INSTANCES
              • COMMA_TO_TABLE
              • 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
            • DBMS_WORKLOAD_REPOSITORY
              • Overview
              • ASH_REPORT
            • DBMS_XA
              • Overview
              • DBMS_XA constants
              • 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
              • CONVERT
            • DBMS_XPLAN
              • Overview
              • DISABLE_OPT_TRACE
              • ENABLE_OPT_TRACE
              • SET_OPT_TRACE_PARAMETER
            • ODCIConst
              • Overview
              • 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
              • BASE64_DECODE
              • BASE64_ENCODE
            • UTL_FILE
              • Overview
              • FCLOSE
              • FFLUSH
              • FOPEN
              • FGETPOS
              • FREMOVE
              • FRENAME
              • FSEEK
              • NEW_LINE
              • GET_LINE
              • PUT
              • PUT_LINE
            • UTL_I18N
              • Overview
              • RAW_TO_CHAR
              • STRING_TO_RAW
            • UTL_RAW
              • Overview
              • 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
            • ANYDATA TYPE
              • Overview
              • BEGINCREATE static procedure
              • ENDCREATE member procedure
              • GET* member functions
              • GETTYPE member function
              • GETTYPENAME member function
              • PIECEWISE member procedure
              • SET* member procedures
            • XMLType
              • Overview
              • CREATEXML
              • GETCLOBVAL
              • GETSTRINGVAL
              • TRANSFORM
              • XMLTYPE
          • Reserved PL keywords
      • Database design guidelines
        • Object naming conventions
          • Overview
          • Tenant naming conventions
          • User naming conventions
          • Table naming conventions
          • Field naming conventions
          • Other naming conventions
        • Object structure design guidelines
          • Field design
          • Table structure design
          • Partitioned table design
          • Index design
          • Other structural designs
        • Character set specifications
        • Database connection specifications
        • Use of comments
        • ORM conventions
        • Exception handling
      • TableAPI
        • Introduction to TableAPI implementation
          • Implementation of TableAPI
          • Differences between replace and insert_or_update
          • TableAPI data models
        • Using TableAPI client
          • Introduction to the client and instructions for use
          • Set client parameters
          • An example of client use
        • Troubleshooting
      • HBaseAPI
        • HBaseAPI solution introduction
        • HBaseAPI storage model
        • Usage instructions of the HBaseAPI client
    • System reference
      • System parameters
        • Overview
        • Summary of system parameters
        • Cluster level
          • all_cluster_list
          • all_server_list
          • auto_broadcast_location_cache_rate_limit
          • auto_leader_switch_interval
          • auto_refresh_location_cache_rate_limit
          • autoinc_cache_refresh_interval
          • backup_backup_dest
          • backup_backup_dest_option
          • backup_dest_option
          • backup_concurrency
          • backup_dest
          • backup_data_file_size
          • 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_idle_time
          • balancer_log_interval
          • balancer_task_timeout
          • balancer_timeout_check_interval
          • balancer_tolerance_percentage
          • bf_cache_miss_count_threshold
          • bf_cache_priority
          • builtin_db_data_verify_cycle
          • cache_wash_threshold
          • clog_disk_utilization_threshold
          • clog_expire_days
          • clog_cache_priority
          • clog_disk_usage_limit_percentage
          • clog_sync_time_warn_threshold
          • clog_transport_compress_func
          • cpu_reserved
          • cluster
          • cluster_id
          • config_additional_dir
          • cpu_count
          • data_copy_concurrency
          • data_dir
          • data_disk_usage_limit_percentage
          • data_storage_error_tolerance_time
          • data_storage_warning_tolerance_time
          • datafile_disk_percentage
          • datafile_size
          • dead_socket_detection_timeout
          • debug_sync_timeout
          • default_compress
          • default_compress_func
          • default_transport_compress_func
          • default_row_format
          • devname
          • disk_io_thread_count
          • dtl_buffer_size
          • election_cpu_quota
          • election_blacklist_interval
          • enable_auto_refresh_location_cache
          • enable_auto_refresh_location_cache
          • enable_auto_leader_switch
          • enable_ddl
          • enable_global_freeze_trigger
          • enable_log_archive
          • enable_election_group
          • enable_major_freeze
          • enable_merge_by_turn
          • enable_manual_merge
          • enable_ob_ratelimit
          • enable_one_phase_commit
          • enable_perf_event
          • enable_pg
          • enable_rebalance
          • enable_record_trace_id
          • enable_record_trace_log
          • enable_rereplication
          • enable_rich_error_msg
          • enable_separate_sys_clog
          • enable_smooth_leader_switch
          • enable_rootservice_standalone
          • enable_sql_audit
          • enable_sql_operator_dump
          • enable_sys_table_ddl
          • enable_sys_unit_standalone
          • enable_syslog_recycle
          • enable_syslog_wf
          • enable_tcp_keepalive
          • fast_recovery_concurrency
          • enable_upgrade_mode
          • flush_log_at_trx_commit
          • gc_wait_archive
          • fuse_row_cache_priority
          • global_index_build_single_replica_timeout
          • global_major_freeze_residual_memory
          • get_leader_candidate_rpc_timeout
          • global_write_halt_residual_memory
          • high_priority_net_thread_count
          • ignore_replay_checksum_error
          • ignore_replica_checksum_error
          • index_clog_cache_priority
          • index_info_block_cache_priority
          • index_cache_priority
          • ilog_index_expire_time
          • internal_sql_execute_timeout
          • large_query_threshold
          • large_query_worker_percentage
          • leak_mod_to_check
          • lease_time
          • location_cache_cpu_quota
          • location_cache_priority
          • location_cache_expire_time
          • 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
          • 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
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          • # rootservice_list
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          • server_check_interval
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      • System variables
        • Overview
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      • System views (MySQL mode)
        • Overview
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          • Dictionary views overview
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          • information_schema.ENGINES
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          • information_schema.SCHEMATA
          • information_schema.SESSION_STATUS
          • information_schema.SESSION_VARIABLES
          • information_schema.STATISTICS
          • information_schema.TABLES
          • information_schema.TABLE_CONSTRAINTS
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          • information_schema.VIEW_TABLE_USAGE
          • information_schema.VIEWS
          • mysql.db
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          • mysql.user
          • oceanbase.DBA_IND_PARTITIONS
          • oceanbase.DBA_IND_SUBPARTITIONS
          • oceanbase.DBA_OB_DATABASES
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          • oceanbase.DBA_OB_SERVERS
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          • oceanbase.DBA_OB_TABLEGROUP_SUBPARTITIONS
          • oceanbase.DBA_OB_TABLEGROUP_TABLES
          • oceanbase.DBA_OB_TABLEGROUPS
          • oceanbase.DBA_OB_TABLET_TO_LS
          • oceanbase.DBA_OB_TENANT_JOBS
          • oceanbase.DBA_OB_TENANTS
          • oceanbase.DBA_OB_UNIT_JOBS
          • oceanbase.DBA_OB_UNIT_CONFIGS
          • oceanbase.DBA_OB_UNITS
          • oceanbase.DBA_OB_ZONE_MAJOR_COMPACTION
          • oceanbase.DBA_OB_ZONES
          • oceanbase.DBA_OBJECTS
          • oceanbase.DBA_PART_INDEXES
          • oceanbase.DBA_PART_KEY_COLUMNS
          • oceanbase.DBA_PART_TABLES
          • oceanbase.DBA_OB_SEQUENCE_OBJECTS
          • oceanbase.DBA_SUBPART_KEY_COLUMNS
          • oceanbase.DBA_SUBPARTITION_TEMPLATES
          • oceanbase.DBA_TAB_PARTITIONS
          • oceanbase.DBA_TAB_SUBPARTITIONS
          • oceanbase.CDB_IND_COLUMNS
          • oceanbase.CDB_IND_PARTITIONS
          • oceanbase.CDB_IND_SUBPARTITIONS
          • oceanbase.CDB_INDEXES
          • oceanbase.CDB_OB_ARCHIVELOG_PIECE_FILES
          • oceanbase.CDB_OB_DATABASES
          • oceanbase.CDB_OB_LS_LOCATIONS
          • oceanbase.CDB_OB_MAJOR_COMPACTION
          • oceanbase.CDB_OB_RESTORE_HISTORY
          • oceanbase.CDB_OB_RESTORE_PROGRESS
          • oceanbase.CDB_OB_TABLEGROUP_PARTITIONS
          • oceanbase.CDB_OB_TABLEGROUP_SUBPARTITIONS
          • oceanbase.CDB_OB_TABLEGROUP_TABLES
          • oceanbase.CDB_OB_TABLEGROUPS
          • oceanbase.CDB_OB_TABLET_REPLICAS
          • oceanbase.CDB_OB_TABLET_TO_LS
          • oceanbase.CDB_OB_ZONE_MAJOR_COMPACTION
          • oceanbase.CDB_OBJECTS
          • oceanbase.CDB_PART_INDEXES
          • oceanbase.CDB_PART_KEY_COLUMNS
          • oceanbase.CDB_PART_TABLES
          • 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_OB_BACKUP_SET_FILES
          • oceanbase.DBA_OB_BACKUP_SET_FILES
          • oceanbase.CDB_OB_BACKUP_JOBS
          • oceanbase.DBA_OB_BACKUP_JOBS
          • oceanbase.CDB_OB_BACKUP_JOB_HISTORY
          • oceanbase.DBA_OB_BACKUP_JOB_HISTORY
          • oceanbase.CDB_OB_BACKUP_TASKS
          • oceanbase.DBA_OB_BACKUP_TASKS
          • oceanbase.CDB_OB_BACKUP_TASK_HISTORY
          • oceanbase.DBA_OB_BACKUP_TASK_HISTORY
          • oceanbase.DBA_OB_ARCHIVELOG_PIECE_FILES
          • oceanbase.DBA_OB_RESTORE_PROGRESS
          • oceanbase.DBA_OB_RESTORE_HISTORY
          • oceanbase.CDB_OB_ARCHIVE_DEST
          • oceanbase.DBA_OB_ARCHIVE_DEST
          • oceanbase.CDB_OB_ARCHIVELOG
          • oceanbase.DBA_OB_ARCHIVELOG
          • oceanbase.CDB_OB_ARCHIVELOG_SUMMARY
          • oceanbase.DBA_OB_ARCHIVELOG_SUMMARY
          • oceanbase.CDB_OB_BACKUP_PARAMETER
          • oceanbase.DBA_OB_BACKUP_PARAMETER
          • oceanbase.DBA_OB_OUTLINE_CONCURRENT_HISTORY
          • oceanbase.DBA_OB_OUTLINES
          • oceanbase.DBA_OB_CONCURRENT_LIMIT_SQL
          • oceanbase.CDB_OB_SYS_VARIABLES
          • oceanbase.CDB_OB_BACKUP_DELETE_JOBS
          • oceanbase.DBA_OB_BACKUP_DELETE_JOBS
          • oceanbase.CDB_OB_BACKUP_DELETE_JOB_HISTORY
          • oceanbase.DBA_OB_BACKUP_DELETE_JOB_HISTORY
          • oceanbase.CDB_OB_BACKUP_DELETE_TASKS
          • oceanbase.DBA_OB_BACKUP_DELETE_TASKS
          • oceanbase.CDB_OB_BACKUP_DELETE_TASK_HISTORY
          • oceanbase.DBA_OB_BACKUP_DELETE_TASK_HISTORY
          • oceanbase.CDB_OB_BACKUP_STORAGE_INFO
          • oceanbase.DBA_OB_BACKUP_STORAGE_INFO
          • oceanbase.CDB_OB_BACKUP_STORAGE_INFO_HISTORY
          • oceanbase.DBA_OB_BACKUP_STORAGE_INFO_HISTORY
          • oceanbase.CDB_OB_BACKUP_DELETE_POLICY
          • oceanbase.DBA_OB_BACKUP_DELETE_POLICY
          • oceanbase.CDB_OB_DEADLOCK_EVENT_HISTORY
          • oceanbase.DBA_OB_DEADLOCK_EVENT_HISTORY
          • oceanbase.CDB_OB_COLUMN_CHECKSUM_ERROR_INFO
          • oceanbase.CDB_OB_TABLET_CHECKSUM_ERROR_INFO
          • oceanbase.DBA_TAB_STATISTICS
          • oceanbase.DBA_TAB_COL_STATISTICS
          • oceanbase.DBA_PART_COL_STATISTICS
          • oceanbase.DBA_SUBPART_COL_STATISTICS
          • oceanbase.DBA_TAB_HISTOGRAMS
          • oceanbase.DBA_PART_HISTOGRAMS
          • oceanbase.DBA_SUBPART_HISTOGRAMS
          • oceanbase.DBA_TAB_STATS_HISTORY
          • oceanbase.DBA_SCHEDULER_JOBS
          • oceanbase.DBA_IND_STATISTICS
          • oceanbase.DBA_TAB_MODIFICATIONS
          • oceanbase.DBA_SQL_PLAN_BASELINES
          • oceanbase.DBA_SQL_MANAGEMENT_CONFIG
          • information_schema.QUERY_RESPONSE_TIME
          • oceanbase.CDB_OB_LS
          • oceanbase.DBA_OB_LS
          • oceanbase.CDB_OB_TABLE_LOCATIONS
          • oceanbase.DBA_OB_TABLE_LOCATIONS
          • oceanbase.DBA_OB_SERVER_EVENT_HISTORY
          • oceanbase.CDB_OB_FREEZE_INFO
          • oceanbase.DBA_OB_FREEZE_INFO
          • oceanbase.DBA_OB_LS_REPLICA_TASKS
          • oceanbase.CDB_OB_LS_REPLICA_TASKS
          • oceanbase.DBA_OB_AUTO_INCREMENT
          • oceanbase.CDB_OB_AUTO_INCREMENT
          • oceanbase.DBA_SEQUENCES
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          • oceanbase.DBA_OB_USERS
          • oceanbase.CDB_OB_USERS
          • oceanbase.DBA_OB_DATABASE_PRIVILEGE
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          • oceanbase.DBA_OB_USER_DEFINED_RULES
          • oceanbase.DBA_OB_TENANTS
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          • oceanbase.DBA_OB_LS_LOG_ARCHIVE_PROGRESS
          • oceanbase.DBA_OB_ARBITRATION_SERVICE
          • oceanbase.CDB_OB_LS_ARB_REPLICA_TASKS
          • oceanbase.DBA_OB_LS_ARB_REPLICA_TASKS
          • oceanbase.CDB_OB_LS_ARB_REPLICA_TASK_HISTORY
          • oceanbase.DBA_OB_LS_ARB_REPLICA_TASK_HISTORY
          • information_schema.ST_GEOMETRY_COLUMNS
          • information_schema.ST_SPATIAL_REFERENCE_SYSTEMS
          • oceanbase.DBA_OB_CLUSTER_EVENT_HISTORY
          • oceanbase.DBA_OB_RSRC_IO_DIRECTIVES
          • oceanbase.DBA_RSRC_PLANS
          • oceanbase.DBA_RSRC_PLAN_DIRECTIVES
          • oceanbase.DBA_RSRC_GROUP_MAPPINGS
          • oceanbase.DBA_RSRC_CONSUMER_GROUPS
        • Performance views
          • Overview
          • GV$OB_COMPACTION_DIAGNOSE_INFO
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          • GV$SESSION_EVENT
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          • GV$OB_SERVER_SCHEMA_INFO
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          • GV$OB_SSTABLES
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          • V$OB_TRANSACTION_PARTICIPANTS
          • V$OB_UNITS
          • V$STATNAME
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          • V$SESSION_WAIT_HISTORY
          • V$SESSTAT
          • V$SYSTEM_EVENT
          • V$OB_MEMORY
          • V$OB_MEMSTORE
          • V$OB_PLAN_CACHE_STAT
          • V$OB_PLAN_CACHE_PLAN_STAT
          • V$OB_PLAN_CACHE_PLAN_EXPLAIN
          • V$OB_SQL_AUDIT
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          • V$SQL_PLAN_MONITOR
          • V$SESSION_LONGOPS
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          • V$OB_PX_WORKER_STAT
          • V$OB_PS_STAT
          • V$OB_PS_ITEM_INFO
          • V$SQL_WORKAREA
          • V$SQL_WORKAREA_ACTIVE
          • V$SQL_WORKAREA_HISTOGRAM
          • V$OB_SQL_WORKAREA_MEMORY_INFO
          • V$OB_SERVER_SCHEMA_INFO
          • V$OB_MERGE_INFO
          • V$SQL_MONITOR_STATNAME
          • V$OB_ENCRYPTED_TABLES
          • V$ENCRYPTED_TABLESPACES
          • V$OB_SSTABLES
          • V$OB_TENANT_MEMORY
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          • GV$OB_MEMSTORE_INFO
          • V$OB_MEMSTORE_INFO
          • GV$OB_IO_CALIBRATION_STATUS
          • V$OB_IO_CALIBRATION_STATUS
          • GV$OB_IO_BENCHMARK
          • V$OB_IO_BENCHMARK
          • GV$SYSSTAT
          • V$SYSSTAT
          • V$SESSION_EVENT
          • GV$ACTIVE_SESSION_HISTORY
          • V$ACTIVE_SESSION_HISTORY
          • GV$DML_STATS
          • V$DML_STATS
          • GV$OB_LOG_STAT
          • V$OB_LOG_STAT
          • GV$OB_DTL_INTERM_RESULT_MONITOR
          • V$OB_DTL_INTERM_RESULT_MONITOR
          • V$OB_LS_REPLICA_TASK_PLAN
          • V$OB_ARCHIVE_DEST_STATUS
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Overview Differences between the features of the Enterprise Edition and the Community Edition System architecture Overview SQL data types Built-in functions System views Compatibility with MySQL Limitations Get started with OceanBase Database Before you begin Basic SQL operations (MySQL mode) Basic SQL operations (Oracle mode) Build a Python application Build a Java application Build a C application Build a Go application Build a Python application Build a Java application Build a C application Try out operational OLAP Try out parallel import and data compression Try out the multi-tenant feature Video tutorials Overview OceanBase cluster deployment solutions Deployment process Overview Deploy OceanBase Database in a Kubernetes cluster Clean up an old cluster About data migration Migrate data from a MySQL database to OceanBase Database by using mydumper and myloader 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 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 Synchronize data from OceanBase Database to a MySQL database using Canal Migrate data from a MySQL OceanBase database to a MySQL database using CloudCanal Migrate data from OceanBase Database to a MySQL database using Flink CDC Migrate data from a MySQL database in OceanBase Database to a MySQL database using ChunJun 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 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 Use DBCAT to migrate DB2 LUW table schemas 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 Use OBLOADER & OBDUMPER to migrate data between MySQL tenants in OceanBase Database clusters Use OBLOADER & OBDUMPER to migrate data from a MySQL tenant to an Oracle tenant in an OceanBase cluster Use OBLOADER & OBDUMPER to migrate data between Oracle tenants in OceanBase Database clusters Use OBLOADER & OBDUMPER to migrate data from an Oracle tenant to a MySQL tenant in OceanBase Database Migrate data between tables Migrate resource units Export data by using OUTFILE statements Overview Import data in bypass mode by using the LOAD DATA statement Import data in bypass mode by using the INSERT INTO SELECT statement Log on to an OceanBase Database tenant Overview Cluster parameters Tenant introduction Tenant capacity Tenant types User tenants System variables of a tenant What is replica Traffic distribution Data distribution What is high availability Flashback queries Overview Introduction to physical backup and restore Deploy NFS Overview Cases Overview Log levels Log stability Log control Log metrics Troubleshoot SQL execution errors Overall architecture of OceanBase Database Overview Common statistics events Reserved keywords (MySQL mode) Reserved keywords (Oracle mode) OMA OMS OCP OCP Express ODC OAT Products SQL statements Deployment
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  4. V4.1.0
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SQL - V 4.1.0Enterprise Edition
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4000 - 4499

Last Updated:2023-08-16 03:57:14  Updated
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What is on this page
ERROR 4000 (HY000): Common error
ERROR 4001 (HY004): Object type error
ERROR 4003 (42000): Array index out of range
ERROR 4004 (08S01): Failed to listen to the port
ERROR 4005 (HY000): The object is initialized twice
ERROR 4006 (HY000): The object is not initialized
ERROR 4008 ( HY000 ): End of iteration
ERROR 4009 (58030 ): IO error
ERROR 4010 (HY000): Wrong RPC command version
ERROR 4012 (HY000): Timeout, query has reached the maximum query timeout: %ld(us), maybe you can adjust the session variable ob_query_timeout or query_timeout hint, and try again
ERROR 4012 (HY000): Task timeout and not executed
ERROR 4012 (HY000): RPC session not found
ERROR 4012 (HY000): RPC send error
ERROR 4012 (HY000): RPC post error
ERROR 4012 (HY000): Timeout
ERROR 4012 (HY000): Statement is timeout
ERROR 4012 (25000): Transaction timeout occurred, please rollback the transaction, set the variable ob_trx_timeout to a larger value and then restart the transaction
ERROR 4012 (25000): Statement timeout occurred, please set the variable ob_query_timeout to a larger value an then restart the statement
ERROR 4012 (25000): Transaction result isunknown
ERROR 4012 (25000): transaction rpc timeout
ERROR 4013 (HY001): No memory or reach tenant memory limit
ERROR 4014 (HY000): Inner state error
ERROR 4015 (HY000): System error
ERROR 4016 (HY000): Internal error
ERROR 4017 (HY000): Entry already exist
ERROR 4018 (HY000): Entry not exist
ERROR 4019 (HY000): Size overflow
ERROR 4020 (HY000): Reference count is not zero
ERROR 4021 (HY000): Conflict value
ERROR 4022 (HY000): Item not set
ERROR 4023 (HY000): Try again
ERROR 4024 (HY000): Buffer not enough
ERROR 4025 (HY000): Partial failed
ERROR 4026 (02000): Nothing to read
ERROR 4028 (HY000): Log entry not continuous
ERROR 4029 (HY000): Schema error
ERROR 4030 (HY000): Over tenant memory limits
ERROR 4031 (HY004): Unknown object
ERROR 4033 (HY000): Serialize error
ERROR 4034 (HY000): Deserialize error
ERROR 4035 (HY000): Asynchronous IO error
ERROR 4036 (HY000): Need retry
ERROR 4037 (HY000): Too many sstable
ERROR 4038 (HY000): The observer or zone is not the master
ERROR 4039 (HY000): Request has killed by sql throttle
ERROR 4041 (HY000): Decrypt error
ERROR 4045 (HY000): pushdown status changed
ERROR 4046 (HY000): Storage schema is not valid
ERROR 4047 (HY000): Medium compaction info is not valid
ERROR 4048 (HY000): Not registered
ERROR 4050 (HY000): Not the object
ERROR 4052 (HY000): Corrupted log entry
ERROR 4055 (HY000): Invalid entry
ERROR 4057 (HY000): Decimal overflow warning
ERROR 4058 (HY000): Decimal overflow error
ERROR 4060 (HY000): Divide error
ERROR 4061 (HY000): Not a decimal
ERROR 4062 (HY104): Decimal precision error
ERROR 4063 (HY000): Empty range
ERROR 4064 (HY000): Session killed
ERROR 4065 (HY000): Log not sync
ERROR 4068 (HY000): Invalid log
ERROR 4070 (HY000): Invalid data
ERROR 4071 (HY000): Already done
ERROR 4072 (HY000): Operation canceled
ERROR 4074 (HY000): Log not aligned
ERROR 4075 (HY000): Log entry missed
ERROR 4076 (HY000): Need wait
ERROR 4077 (0A000): Not implemented feature
ERROR 4080 (HY013): exceed memory limit
ERROR 4084 (02000): No result
ERROR 4085 (HY000): Queue overflow
ERROR 4090 (HY000): Table log_id range no continuous
ERROR 4098 (HY000): Term not match
ERROR 4103 (42000): Data checksum error
ERROR 4104 (HY000): Initialize error
ERROR 4105 (HY000): Rowkey order error
ERROR 4107 (HY000): block switched when fill commitlog
ERROR 4108 (HY000): Physic data checksum error
ERROR 4109 (HY000): Server state or role not the same as expected
ERROR 4111 (HY000): block need freeze
ERROR 4112 (HY000): block frozen
ERROR 4113 (HY000): In FATAL state
ERROR 4114 (08S01): In STOP state
ERROR 4119 (08000): RPC packet to send too long
ERROR 4120 (HY000): Log too large
ERROR 4123 (08000): Libeasy error
ERROR 4124 (HY000): Connect error
ERROR 4128 (HY000): RPC packet is invalid
ERROR 4138 (HY000): Request to read too old versioned data
ERROR 4143 (42000): Version not match
ERROR 4147 (HY000): Invalid config
ERROR 4150 (42000): Min value
ERROR 4151 (42000): Max value
ERROR 4152 (42000): Null value
ERROR 4154 (HY000): Internal SQL client error
ERROR 4161 (42000): Invalid argument num
ERROR 4162 (HY000): reserved lease not enough
ERROR 4165 (HY000): Empty result
ERROR 4168 (HY000): Invalid log module id
ERROR 4169 (HY000): Unknown module name. Invalid Setting:'%.*s'. Syntax:parMod.subMod:level, parMod.subMod:level
ERROR 4170 (HY000): Invalid level. Invalid setting:'%.*s'. Syntax:parMod.subMod:level, parMod.subMod:level
ERROR 4171 (HY000): Syntax to set log_level error. Invalid setting:'%.*s'. Syntax:parMod.subMod:level, parMod.subMod:level
ERROR 4172 (HY000): Index out of range
ERROR 4175 (42000): Out of range
ERROR 4177 (42000): Schema version too old
ERROR 4179 (HY000): %s not allowed
ERROR 4180 (HY000): No empty entry
ERROR 4181 (42S01): Already exist
ERROR 4182 (HY000): Value not found
ERROR 4183 (HY000): Key out of range
ERROR 4184 (53100): ChunkServer out of disk space
ERROR 4186 (HY000): ChunkServer failed to get compress library
ERROR 4187 (HY000): Item not match
ERROR 4189 (HY000): the macro block type does not exist
ERROR 4191 (HY000): partition group is removed
ERROR 4192 (42000): ddl task executes too much time
ERROR 4200 (HY000): hash map/set entry exist
ERROR 4201 (HY000): hash map/set entry not exist
ERROR 4204 (HY000): hash map/set get timeout
ERROR 4205 (HY000): hash map/set retry
ERROR 4206 (HY000): hash map/set full
ERROR 4208 (HY000): wait next packet timeout
ERROR 4209 (HY000): partition has not leader
ERROR 4210 (HY000): prepare major freeze failed
ERROR 4211 (HY000): commit major freeze failed
ERROR 4212 (HY000): abort major freeze failed
ERROR 4213 (HY000): last major freeze not finish", "%s
ERROR 4215 (HY000): wait major freeze response timeout
ERROR 4216 (HY000): curl error
ERROR 4217 (HY000): Major freeze not allowed now
ERROR 4218 (HY000): prepare freeze failed
ERROR 4220 (HY000): Inactive sql client, only read allowed
ERROR 4221 (HY000): Inactive rpc proxy, can not send RPC request
ERROR 4222 (42000): Interval with year or month can not be converted to microseconds
ERROR 4223 (42000): Interval has too many datetime parts
ERROR 4225 (HY000): Partition entry not exists
ERROR 4232 (HY000): The observer or zone is not a follower
ERROR 4233 (HY000): smaller than container lower bound
ERROR 4234 (HY000): bigger than container upper bound
ERROR 4236 (HY000): ObConfig return error code
ERROR 4237 (HY000): Appname mismatch with obconfig result
ERROR 4239 (HY000): Can not use merge join to join the tables without join conditions
ERROR 4240 (HY000): No join order generated
ERROR 4241 (HY000): No join path generated
ERROR 4242 (HY000): Schema error
ERROR 4243 (HY000): file not opened
ERROR 4244 (HY000): Timer task has been scheduled
ERROR 4245 (HY000): Timer task has not been scheduled
ERROR 4246 (HY000): parse debug sync string error
ERROR 4247 (HY000): unknown debug sync point
ERROR 4248 (HY000): task is interrupted while running
ERROR 4250 (HY000): module is not running
ERROR 4251 (HY000): partition not valid
ERROR 4253 (HY000): Comment for tenant is too long (max = %ld)
ERROR 4257 (HY000): compress data or decompress data failed
ERROR 4263 (HY000): Minor freeze not allowed now
ERROR 4264 (HY000): Log out of disk space
ERROR 4265 (HY000): Rpc connect error
ERROR 4266 (HY000): minor merge not allow
ERROR 4270 (HY000): Working partition entry does not exists
ERROR 4271 (HY000): LIBEASY reach memory limit
ERROR 4273 (HY000): free memblock in cache is not enough
ERROR 4274 (HY000): sync wash memblock timeout
ERROR 4278 (HY000): last log is not complete
ERROR 4279 (HY000): table is deleted
ERROR 4280 (HY000): version range not continues
ERROR 4281 (HY000): io buffer is invalid
ERROR 4282 (HY000): partition is removed
ERROR 4283 (HY000): gts is not ready
ERROR 4286 (HY000): major sstable may has been merged
ERROR 4287 (HY000): minor sstable version range cross
ERROR 4288 (HY000): memtable cannot minor merge
ERROR 4289 (HY000): task exist
ERROR 4290 (HY000): cannot allocate disk space
ERROR 4297 (HY000): name is already used by an existing object
ERROR 4298 (HY000): %s does not exist
ERROR 4300 (HY000): invalid sequence name
ERROR 4301 (HY000): duplicate MAXVALUE/NOMAXVALUE specifications
ERROR 4302 (HY000): duplicate MINVALUE/NOMINVALUE specifications
ERROR 4303 (HY000): duplicate CYCLE/NOCYCLE specifications
ERROR 4304 (HY000): duplicate CACHE/NOCACHE specifications
ERROR 4305 (HY000): duplicate ORDER/NOORDER specifications
ERROR 4306 (HY000): conflicting MAXVALUE/NOMAXVALUE specifications
ERROR 4307 (HY000): conflicting MINVALUE/NOMINVALUE specifications
ERROR 4308 (HY000): conflicting CYCLE/NOCYCLE specifications
ERROR 4309 (HY000): conflicting CACHE/NOCACHE specifications
ERROR 4310 (HY000): conflicting ORDER/NOORDER specifications
ERROR 4311 (HY000): cannot alter starting sequence number
ERROR 4312 (HY000): duplicate INCREMENT BY specifications
ERROR 4313 (HY000): duplicate START WITH specifications
ERROR 4314 (HY000): no options specified for ALTER SEQUENCE
ERROR 4315 (HY000): sequence number not allowed here
ERROR 4316 (HY000): sequence does not exist
ERROR 4317 (HY000): sequence parameter %s must be an integer
ERROR 4318 (HY000): INCREMENT must be a nonzero integer
ERROR 4319 (HY000): sequence parameter exceeds maximum size allowed
ERROR 4320 (HY000): MINVALUE must be less than MAXVALUE
ERROR 4321 (HY000): INCREMENT must be less than MAXVALUE minus MINVALUE
ERROR 4322 (HY000): START WITH cannot be less than MINVALUE
ERROR 4323 (HY000): MINVALUE cannot be made to exceed the current value
ERROR 4324 (HY000): START WITH cannot be more than MAXVALUE
ERROR 4325 (HY000): MAXVALUE cannot be made to be less than the current value
ERROR 4326 (HY000): the number of values to CACHE must be greater than 1
ERROR 4327 (HY000): sequence option value out of range
ERROR 4328 (HY000): number to CACHE must be less than one cycle
ERROR 4329 (HY000): descending sequences that CYCLE must specify MINVALUE
ERROR 4330 (HY000): ascending sequences that CYCLE must specify MAXVALUE
ERROR 4331 (HY000): sequence %s no longer exists
ERROR 4332 (HY000): sequence exceeds %s and cannot be instantiated
ERROR 4333 (HY000): divisor is equal to zero
ERROR 4334 (HY000): fail to decrypt data
ERROR 4335 (HY000): fail to encrypt data
ERROR 4337 (HY000): store directory structure error
ERROR 4338 (HY000): open twice
ERROR 4339 (HY000): raid super block not match
ERROR 4340 (HY000): not opened
ERROR 4341 (HY000): target module is not in service
ERROR 4342 (HY000): raid disk not in normal status
ERROR 4343 (HY000): tenant schema is not full
ERROR 4344 (HY000): invalid timestamp
ERROR 4345 (HY000): dir not empty
ERROR 4346 (HY000): schema is not up to date for read
ERROR 4347 (HY000): role (string) does not exist
ERROR 4348 (HY000): role '%.*s' does not exist
ERROR 4349 (HY000): duplicate privilege listed
ERROR 4350 (HY000): the keystore already exists and each tenant can only have at most one
ERROR 4351 (HY000): the keystore is not exist
ERROR 4352 (HY000): the password is wrong for keystore
ERROR 4353 (HY000): tablespace '%.*s' already exists
ERROR 4354 (HY000): tablespace '%.*s' does not exist
ERROR 4355 (HY000): cannot delete a tablespace which is not empty
ERROR 4356 (HY000): floating point precision is out of range(1 to 126)
ERROR 4357 (HY000): numeric precision specifier is out of range (1 to 38)
ERROR 4358 (HY000): numeric scale specifier is out of range (-84 to 127)
ERROR 4359 (HY000): the keystore is not open
ERROR 4360 (HY000): the keystore opened with dont have a master key
ERROR 4361 (HY000): slog active transaction entries reach maximum
ERROR 4362 (HY000): BY ACCESS | SESSION clause not allowed for NOAUDIT
ERROR 4363 (HY000): auditing the object is not supported
ERROR 4364 (HY000): DDL statement cannot be audited with BY SESSION specified
ERROR 4367 (HY000): The data more than 64M(rpc limit), split into smaller task and retry
ERROR 4368 (HY000): cluster %s not exist
ERROR 4369 (HY000): fail to get master key
ERROR 4370 (HY000): tde_method parameter is invalid
ERROR 4371 (HY000): kms server connect failed, may be kms server is down
ERROR 4372 (HY000): kms server is busy, try again
ERROR 4373 (HY000): kms server update key conflict at the same time, please try again
ERROR 4374 (HY000): value larger than specified precision allowed for this column
ERROR 4375 (HY000): observer has disk error
ERROR 4376 (HY000): unimplemented feature
ERROR 4377 (HY000): fatal internal error in [%.*s]
ERROR 4378 (HY000): cluster name conflict
ERROR 4379 (HY000): heap table has reached max row size, cannot insert anymore
ERROR 4381 (HY000): Not supported, deprecated MySQL feature
ERROR 4383 (HY000): transaction id is not ready
ERROR 4386 (HY000): Do not allow removing leader
ERROR 4387 (HY000): Failed to switch resource group
ERROR 4388 (HY000): Unexpected internal error happen, please checkout the internal errcode
ERROR 4389 (HY000): processing time is too long
ERROR 4390 (HY000): Schema of remote server is not refreshed yet
ERROR 4391 (HY000): ddl sstable version range cross
ERROR 4392 (HY000): disk is hung
ERROR 4393 (HY000): observer start process failure
ERROR 4394 (HY000): observer stop process failure
ERROR 4395 (HY000): observice start process has failure
ERROR 4396 (HY000): Worker thread pannic, thread may be terminated or hung

folded

share

These error codes indicate common errors.

ERROR 4000 (HY000): Common error

  • Error code in OceanBase Database: 4000

  • Cause: A common error occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4001 (HY004): Object type error

  • Error code in OceanBase Database: 4001

  • Cause: The specified object type is invalid.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4003 (42000): Array index out of range

  • Error code in OceanBase Database: 4003

  • Cause: The array index is out of range.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4004 (08S01): Failed to listen to the port

  • Error code in OceanBase Database: 4004

  • Cause: The listener failed to start due to network disconnection.

  • Solution: Switch to an idle port and then restart the observer process.

Note

This error code is introduced since OceanBase Database V4.1.0.

ERROR 4005 (HY000): The object is initialized twice

  • Error code in OceanBase Database: 4005

  • Cause: The object is repeatedly initialized.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4006 (HY000): The object is not initialized

  • Error code in OceanBase Database: 4006

  • Cause: The object is not initialized.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4008 ( HY000 ): End of iteration

  • Error code in OceanBase Database: 4008

  • Cause: The iteration has ended.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4009 (58030 ): IO error

  • Error code in OceanBase Database: 4009

  • Cause: An I/O-related system call, such as a read request or a write request, failed.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4010 (HY000): Wrong RPC command version

  • Error code in OceanBase Database: 4010

  • Cause: The version of the remote procedure call (RPC) command is invalid.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4012 (HY000): Timeout, query has reached the maximum query timeout: %ld(us), maybe you can adjust the session variable ob_query_timeout or query_timeout hint, and try again

  • Error code in OceanBase Database: 4012

  • Cause: The execution timed out.

  • Solution:

    • Reduce the amount of time required through performance tuning.

    • Extend the timeout period.

    • Contact OceanBase Technical Support for troubleshooting.

ERROR 4012 (HY000): Task timeout and not executed

  • Error code in OceanBase Database: 4049

  • MySQL error code: 4012

ERROR 4012 (HY000): RPC session not found

  • Error code in OceanBase Database: 4067

  • MySQL error code: 4012

ERROR 4012 (HY000): RPC send error

  • Error code in OceanBase Database: 4121

  • MySQL error code: 4012

ERROR 4012 (HY000): RPC post error

  • Error code in OceanBase Database: 4122

  • MySQL error code: 4012

ERROR 4012 (HY000): Timeout

  • Error code in OceanBase Database: 4664

  • MySQL error code: 4012

ERROR 4012 (HY000): Statement is timeout

  • Error code in OceanBase Database: 6004

  • MySQL error code: 4012

ERROR 4012 (25000): Transaction timeout occurred, please rollback the transaction, set the variable ob_trx_timeout to a larger value and then restart the transaction

  • Error code in OceanBase Database: 6210

  • MySQL error code: 4012

ERROR 4012 (25000): Statement timeout occurred, please set the variable ob_query_timeout to a larger value an then restart the statement

  • Error code in OceanBase Database: 6212

  • MySQL error code: 4012

ERROR 4012 (25000): Transaction result isunknown

  • Error code in OceanBase Database: 6225

  • MySQL error code: 4012

ERROR 4012 (25000): transaction rpc timeout

  • Error code in OceanBase Database: 6230

  • MySQL error code: 4012

ERROR 4013 (HY001): No memory or reach tenant memory limit

  • Error code in OceanBase Database: 4013

  • Cause: Memory allocation failed.

    • The physical memory is exhausted.
    • The memory allocated at a time is greater than 4 GB.
    • The memory usage of the CTX, tenant, and OBServer node reaches the upper limit.
  • Solution: Contact OceanBase Technical Support for troubleshooting.

Note

This error code is introduced since OceanBase Database V4.1.0.

ERROR 4014 (HY000): Inner state error

  • Error code in OceanBase Database: 4014

  • Cause: An internal status error occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4015 (HY000): System error

  • Error code in OceanBase Database: 4015

  • Cause: An internal error occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4016 (HY000): Internal error

  • Error code in OceanBase Database: 4016

  • Cause: An internal error occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4017 (HY000): Entry already exist

  • Error code in OceanBase Database: 4017

  • Cause: The specified data already exists.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4018 (HY000): Entry not exist

  • Error code in OceanBase Database: 4018

  • Cause: The specified data does not exist.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4019 (HY000): Size overflow

  • Error code in OceanBase Database: 4019

  • Cause: A space overflow occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4020 (HY000): Reference count is not zero

  • Error code in OceanBase Database: 4020

  • Cause: The reference count is not 0.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4021 (HY000): Conflict value

  • Error code in OceanBase Database: 4021

  • Cause: The base library encountered a logic error, generally, a code error.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4022 (HY000): Item not set

  • Error code in OceanBase Database: 4022

  • Cause: No value is specified.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4023 (HY000): Try again

  • Error code in OceanBase Database: 4023

  • Cause: The operation needs to be retried.

  • Solution: Retry the operation, or contact OceanBase Technical Support for troubleshooting.

ERROR 4024 (HY000): Buffer not enough

  • Error code in OceanBase Database: 4024

  • Cause: The storage space is insufficient.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4025 (HY000): Partial failed

  • Error code in OceanBase Database: 4025

  • Cause: Partial tasks that were initiated at a time failed.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4026 (02000): Nothing to read

  • Error code in OceanBase Database: 4026

  • Cause: No available data can be read.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4028 (HY000): Log entry not continuous

  • Error code in OceanBase Database: 4028

  • Cause: File IDs are inconsecutive.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4029 (HY000): Schema error

  • Error code in OceanBase Database: 4029

  • Cause: The schema failed to be obtained.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4030 (HY000): Over tenant memory limits

  • Error code in OceanBase Database: 4030

  • Cause: The tenant has insufficient memory.

  • Solution: Increase the memory size of the tenant.

ERROR 4031 (HY004): Unknown object

  • Error code in OceanBase Database: 4031

  • Cause: The object is unknown.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4033 (HY000): Serialize error

  • Error code in OceanBase Database: 4033

  • Cause: Serialization failed.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

Note

This error code is introduced since OceanBase Database V3.2.4.

ERROR 4034 (HY000): Deserialize error

  • Error code in OceanBase Database: 4034

  • Cause: Deserialization failed.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

Note

This error code is introduced since OceanBase Database V3.2.4.

ERROR 4035 (HY000): Asynchronous IO error

  • Error code in OceanBase Database: 4035

  • Cause: Asynchronous I/O-related system calls failed.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4036 (HY000): Need retry

  • Error code in OceanBase Database: 4036

  • Cause: The operation needs to be retried.

  • Solution: Retry the operation, or contact OceanBase Technical Support for troubleshooting.

ERROR 4037 (HY000): Too many sstable

  • Error code in OceanBase Database: 4037

  • Cause: Excessive SSTables are generated, generally due to frequent minor compactions.

  • Solution: Scale out the cluster to reduce the load on a single server, or contact OceanBase Technical Support for troubleshooting.

ERROR 4038 (HY000): The observer or zone is not the master

  • Error code in OceanBase Database: 4038

  • Cause: The current partition does not serve as the leader to provide services.

  • Solution: Execute the current statement or transaction again.

ERROR 4039 (HY000): Request has killed by sql throttle

  • Error code in OceanBase Database: 4039

  • Cause: Throttling is enabled on SQL execution.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4041 (HY000): Decrypt error

  • Error code in OceanBase Database: 4041

  • Cause: Decryption failed.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4045 (HY000): pushdown status changed

  • Error code in OceanBase Database: 4045

  • Cause: An internal error occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4046 (HY000): Storage schema is not valid

  • Error code in OceanBase Database: 4046

  • Cause: The schema of the storage layer is invalid.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

Note

This error code is introduced since OceanBase Database V4.0.0.

ERROR 4047 (HY000): Medium compaction info is not valid

  • Error code in OceanBase Database: 4047

  • Cause: The Medium Info is invalid.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4048 (HY000): Not registered

  • Error code in OceanBase Database: 4048

  • Cause: An internal error occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4050 (HY000): Not the object

  • Error code in OceanBase Database: 4050

  • Cause: An object mismatch occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4052 (HY000): Corrupted log entry

  • Error code in OceanBase Database: 4052

  • Cause: The log data retrieved by the read request is invalid due to a hardware or disk error.

  • Solution: Contact the database administrator for hardware troubleshooting, or contact OceanBase Technical Support for troubleshooting.

ERROR 4055 (HY000): Invalid entry

  • Error code in OceanBase Database: 4055

  • Cause: An internal status error occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4057 (HY000): Decimal overflow warning

  • Error code in OceanBase Database: 4057

  • Cause: The precision of the input data is out of range.

  • Solution: Reduce the precision of the input data.

ERROR 4058 (HY000): Decimal overflow error

  • Error code in OceanBase Database: 4058

  • Cause: The precision of the input data is out of range.

  • Solution: Reduce the precision of the input data.

ERROR 4060 (HY000): Divide error

  • Error code in OceanBase Database: 4060

  • Cause: A division error occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4061 (HY000): Not a decimal

  • Error code in OceanBase Database: 4061

  • Cause: The specified object type is invalid.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4062 (HY104): Decimal precision error

  • Error code in OceanBase Database: 4062

  • Cause: A numeric precision error occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4063 (HY000): Empty range

  • Error code in OceanBase Database: 4063

  • Cause: The query range of the LIKE condition failed to be obtained.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4064 (HY000): Session killed

  • Error code in OceanBase Database: 4064

  • Cause: The current session is terminated.

  • Solution: Contact the system administrator or database administrator for troubleshooting.

ERROR 4065 (HY000): Log not sync

  • Error code in OceanBase Database: 4065

  • Cause: Replica logs are not synchronized.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4068 (HY000): Invalid log

  • Error code in OceanBase Database: 4068

  • Cause: Logs are invalid.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4070 (HY000): Invalid data

  • Error code in OceanBase Database: 4070

  • Cause: Data is invalid.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4071 (HY000): Already done

  • Error code in OceanBase Database: 4071

  • Cause: The operation has been completed.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4072 (HY000): Operation canceled

  • Error code in OceanBase Database: 4072

  • Cause: The operation has been canceled.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4074 (HY000): Log not aligned

  • Error code in OceanBase Database: 4074

  • Cause: Logs are not aligned.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4075 (HY000): Log entry missed

  • Error code in OceanBase Database: 4075

  • Cause: Logs are not found.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4076 (HY000): Need wait

  • Error code in OceanBase Database: 4076

  • Cause: Waiting is required.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4077 (0A000): Not implemented feature

  • Error code in OceanBase Database: 4077

  • Cause: The feature is not supported.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4080 (HY013): exceed memory limit

  • Error code in OceanBase Database: 4080

  • Cause: An internal error occurred. The size of used memory exceeds the upper limit.

  • Solution: Troubleshooting is not required.

ERROR 4084 (02000): No result

  • Error code in OceanBase Database: 4084

  • Cause: The value of the parameter is not found.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4085 (HY000): Queue overflow

  • Error code in OceanBase Database: 4085

  • Cause: A queue overflow occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4090 (HY000): Table log_id range no continuous

  • Error code in OceanBase Database: 4090

  • Cause: Log IDs of SSTables in a partition are inconsecutive.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4098 (HY000): Term not match

  • Error code in OceanBase Database: 4098

  • Cause: A replica proposal_id mismatch occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4103 (42000): Data checksum error

  • Error code in OceanBase Database: 4103

  • Cause: A data checksum error occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4104 (HY000): Initialize error

  • Error code in OceanBase Database: 4104

  • Cause: Initialization failed.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4105 (HY000): Rowkey order error

  • Error code in OceanBase Database: 4105

  • Cause: The sequence of primary keys is not as expected.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4107 (HY000): block switched when fill commitlog

  • Error code in OceanBase Database: 4107

  • Cause: The buffer used for Group Commit operations must be switched.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4108 (HY000): Physic data checksum error

  • Error code in OceanBase Database: 4108

  • Cause: A physical data checksum error occurred due to a disk failure or a program bug.

  • Solution: Check the hardware, or contact OceanBase Technical Support for troubleshooting.

ERROR 4109 (HY000): Server state or role not the same as expected

  • Error code in OceanBase Database: 4109

  • Cause: A status mismatch occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4111 (HY000): block need freeze

  • Error code in OceanBase Database: 4111

  • Cause: The block needs to be frozen.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4112 (HY000): block frozen

  • Error code in OceanBase Database: 4112

  • Cause: The block has been frozen.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4113 (HY000): In FATAL state

  • Error code in OceanBase Database: 4113

  • Cause: The status is invalid.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4114 (08S01): In STOP state

  • Error code in OceanBase Database: 4114

  • Cause: The OBServer node is being stopped.

  • Solution: If the error persists, contact OceanBase Technical Support for troubleshooting.

ERROR 4119 (08000): RPC packet to send too long

  • Error code in OceanBase Database: 4119

  • Cause: The length of the remote procedure call (RPC) packet exceeds the upper limit.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4120 (HY000): Log too large

  • Error code in OceanBase Database: 4120

  • Cause: The log size exceeds the upper limit.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4123 (08000): Libeasy error

  • Error code in OceanBase Database: 4123

  • Cause: Network initialization failed.

  • Solution: Contact the system administrator or database administrator for troubleshooting.

ERROR 4124 (HY000): Connect error

  • Error code in OceanBase Database: 4124

  • Cause: A connection to the server failed to be established.

  • Solution: Contact the system administrator or database administrator for troubleshooting.

ERROR 4128 (HY000): RPC packet is invalid

  • Error code in OceanBase Database: 4128

  • Cause: The format of the RPC packet is invalid.

  • Solution: Contact the system administrator or database administrator for troubleshooting.

ERROR 4138 (HY000): Request to read too old versioned data

  • Error code in OceanBase Database: 4138

  • Cause: The version of the accessed data is outdated.

  • Solution: Execute the statement again, or increase the value of the undo_retention parameter.

ERROR 4143 (42000): Version not match

  • Error code in OceanBase Database: 4143

  • Cause: A version mismatch occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4147 (HY000): Invalid config

  • Error code in OceanBase Database: 4147

  • Cause: The current configuration is invalid.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4150 (42000): Min value

  • Error code in OceanBase Database: 4150

  • Cause: The operation attempted to access the invalid minimum special value in the internal table.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4151 (42000): Max value

  • Error code in OceanBase Database: 4151

  • Cause: The operation attempted to access the invalid maximum special value in the internal table.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4152 (42000): Null value

  • Error code in OceanBase Database: 4152

  • Cause: The operation attempted to access an invalid null value in the internal table.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4154 (HY000): Internal SQL client error

  • Error code in OceanBase Database: 4154

  • Cause: An internal SQL client error occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4161 (42000): Invalid argument num

  • Error code in OceanBase Database: 4161

  • Cause: The number of specified parameters is invalid.

  • Solution: Check the parameter list, or contact OceanBase Technical Support for troubleshooting.

ERROR 4162 (HY000): reserved lease not enough

  • Error code in OceanBase Database: 4162

  • Cause: The validity period of the lease is insufficient.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4165 (HY000): Empty result

  • Error code in OceanBase Database: 4165

  • Cause: The result set is empty.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4168 (HY000): Invalid log module id

  • Error code in OceanBase Database: 4168

  • Cause: The log module ID is invalid.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4169 (HY000): Unknown module name. Invalid Setting:'%.*s'. Syntax:parMod.subMod:level, parMod.subMod:level

  • Error code in OceanBase Database: 4169

  • Cause: The log module name that you specified when you set the log generation level on the client is invalid.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4170 (HY000): Invalid level. Invalid setting:'%.*s'. Syntax:parMod.subMod:level, parMod.subMod:level

  • Error code in OceanBase Database: 4170

  • Cause: The log generation level that you set on the client is invalid.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4171 (HY000): Syntax to set log_level error. Invalid setting:'%.*s'. Syntax:parMod.subMod:level, parMod.subMod:level

  • Error code in OceanBase Database: 4171

  • Cause: The syntax that you used to set the log generation level on the client is invalid.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4172 (HY000): Index out of range

  • Error code in OceanBase Database: 4172

  • Cause: The index is out of range.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4175 (42000): Out of range

  • Error code in OceanBase Database: 4175

  • Cause: The value is out of range.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4177 (42000): Schema version too old

  • Error code in OceanBase Database: 4177

  • Cause: The local schema version is outdated.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4179 (HY000): %s not allowed

  • Error code in OceanBase Database: 4179

  • Cause: The feature is not supported.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4180 (HY000): No empty entry

  • Error code in OceanBase Database: 4180

  • Cause: The data entry is not empty.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4181 (42S01): Already exist

  • Error code in OceanBase Database: 4181

  • Cause: The entry already exists in the location cache.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4182 (HY000): Value not found

  • Error code in OceanBase Database: 4182

  • Cause: The value is not found.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4183 (HY000): Key out of range

  • Error code in OceanBase Database: 4183

  • Cause: The key is out of range.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4184 (53100): ChunkServer out of disk space

  • Error code in OceanBase Database: 4184

  • Cause: The disk space is fully occupied.

  • Solution: Add servers for scale-out, or contact OceanBase Technical Support for troubleshooting.

ERROR 4186 (HY000): ChunkServer failed to get compress library

  • Error code in OceanBase Database: 4186

  • Cause: No compression library is found.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4187 (HY000): Item not match

  • Error code in OceanBase Database: 4187

  • Cause: A value mismatch occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4189 (HY000): the macro block type does not exist

  • Error code in OceanBase Database: 4189

  • Cause: The specified macroblock type does not exist.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4191 (HY000): partition group is removed

  • Error code in OceanBase Database: 4191

  • Cause: The partition has been deleted.

  • Solution: Troubleshooting is not required.

ERROR 4192 (42000): ddl task executes too much time

  • Error code in OceanBase Database: 4192
  • Cause: The execution time of DDL tasks is too long.
  • Solution: Check whether the execution time of DDL tasks is as expected. If the execution time is too long, contact OceanBase Technical Support for troubleshooting.

Note

This error code is introduced since OceanBase Database V4.1.0.

ERROR 4200 (HY000): hash map/set entry exist

  • Error code in OceanBase Database: 4200

  • Cause: The HASH value already exists.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4201 (HY000): hash map/set entry not exist

  • Error code in OceanBase Database: 4201

  • Cause: The HASH value does not exist.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4204 (HY000): hash map/set get timeout

  • Error code in OceanBase Database: 4204

  • Cause: The HASH operation timed out.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4205 (HY000): hash map/set retry

  • Error code in OceanBase Database: 4205

  • Cause: The HASH operation needs to be retried.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4206 (HY000): hash map/set full

  • Error code in OceanBase Database: 4206

  • Cause: The HashMap instance is full.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4208 (HY000): wait next packet timeout

  • Error code in OceanBase Database: 4208

  • Cause: No subsequent packets are received within the timeout period.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4209 (HY000): partition has not leader

  • Error code in OceanBase Database: 4209

  • Cause: The partition has no leader.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4210 (HY000): prepare major freeze failed

  • Error code in OceanBase Database: 4210

  • Cause: The preparation for a major compaction failed.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4211 (HY000): commit major freeze failed

  • Error code in OceanBase Database: 4211

  • Cause: The commit of a major freeze failed.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4212 (HY000): abort major freeze failed

  • Error code in OceanBase Database: 4212

  • Cause: The rollback of a major freeze failed.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4213 (HY000): last major freeze not finish", "%s

  • Error code in OceanBase Database: 4213

  • Cause: The last major compaction has not been completed.

  • Solution: Wait until the last major compaction is completed, and then initiate a new major compaction.

ERROR 4215 (HY000): wait major freeze response timeout

  • Error code in OceanBase Database: 4215

  • Cause: No major freeze response is returned within the timeout period.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4216 (HY000): curl error

  • Error code in OceanBase Database: 4216

  • Cause: A libcurl access error occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4217 (HY000): Major freeze not allowed now

  • Error code in OceanBase Database: 4217

  • Cause: Major freezes are not allowed when the system is in the current state.

  • Solution: Check whether the system is being upgraded or in the process of another operation.

ERROR 4218 (HY000): prepare freeze failed

  • Error code in OceanBase Database: 4218

  • Cause: The preparation for a freeze failed.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4220 (HY000): Inactive sql client, only read allowed

  • Error code in OceanBase Database: 4220

  • Cause: The SQL client is inactive.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4221 (HY000): Inactive rpc proxy, can not send RPC request

  • Error code in OceanBase Database: 4221

  • Cause: The RPC client is not initialized.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4222 (42000): Interval with year or month can not be converted to microseconds

  • Error code in OceanBase Database: 4222

  • Cause: The system encountered an error when converting the time data type.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4223 (42000): Interval has too many datetime parts

  • Error code in OceanBase Database: 4223

  • Cause: The system encountered an error when converting the time data type.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4225 (HY000): Partition entry not exists

  • Error code in OceanBase Database: 4225

  • Cause: The specified partition does not exist.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4232 (HY000): The observer or zone is not a follower

  • Error code in OceanBase Database: 4232

  • Cause: The OBServer node or zone that is accessed is not a follower.

  • Solution: This is an internal error code. Contact OceanBase Technical Support for troubleshooting.

ERROR 4233 (HY000): smaller than container lower bound

  • Error code in OceanBase Database: 4233

  • Cause: The value is below the lower limit of the container.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4234 (HY000): bigger than container upper bound

  • Error code in OceanBase Database: 4234

  • Cause: The value is above the upper limit of the container.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4236 (HY000): ObConfig return error code

  • Error code in OceanBase Database: 4236

  • Cause: OceanBase Database encountered an error when accessing ConfigServer.

  • Solution: Check the obconfig_url parameter to determine whether ConfigServer is running properly, and contact OceanBase Technical Support for troubleshooting.

ERROR 4237 (HY000): Appname mismatch with obconfig result

  • Error code in OceanBase Database: 4237

  • Cause: The cluster name specified for ConfigServer is inconsistent with the actual cluster name.

  • Solution: Check the obconfig_url parameter and contact OceanBase Technical Support for troubleshooting.

ERROR 4239 (HY000): Can not use merge join to join the tables without join conditions

  • Error code in OceanBase Database: 4239

  • Cause: A kernel error occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4240 (HY000): No join order generated

  • Error code in OceanBase Database: 4240

  • Cause: A kernel error occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4241 (HY000): No join path generated

  • Error code in OceanBase Database: 4241

  • Cause: A kernel error occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4242 (HY000): Schema error

  • Error code in OceanBase Database: 4242

  • Cause: The execution server failed to obtain the schema.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4243 (HY000): file not opened

  • Error code in OceanBase Database: 4243

  • Cause: The file is not opened.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4244 (HY000): Timer task has been scheduled

  • Error code in OceanBase Database: 4244

  • Cause: A timer task has been scheduled.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4245 (HY000): Timer task has not been scheduled

  • Error code in OceanBase Database: 4245

  • Cause: No timer task is scheduled.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4246 (HY000): parse debug sync string error

  • Error code in OceanBase Database: 4246

  • Cause: The string of debug_sync does not conform to the syntax.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4247 (HY000): unknown debug sync point

  • Error code in OceanBase Database: 4247

  • Cause: The debug sync point does not exist.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4248 (HY000): task is interrupted while running

  • Error code in OceanBase Database: 4248

  • Cause: The distributed task execution scheduler was interrupted and stopped in advance.

  • Solution: This is an internal error code. Contact OceanBase Technical Support for troubleshooting.

ERROR 4250 (HY000): module is not running

  • Error code in OceanBase Database: 4250

  • Cause: The module has not been started.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4251 (HY000): partition not valid

  • Error code in OceanBase Database: 4251

  • Cause: The partition is invalid.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4253 (HY000): Comment for tenant is too long (max = %ld)

  • Error code in OceanBase Database: 4253

  • Cause: The length of the COMMENT for a tenant in a DDL statement exceeds the upper limit.

  • Solution: Shorten the COMMENT in the DDL statement.

ERROR 4257 (HY000): compress data or decompress data failed

  • Error code in OceanBase Database: 4257

  • Cause: Data compression or decompression failed because the data was corrupted.

  • Solution: Contact the database administrator to check the hardware and replace the faulty server or recover the data.

ERROR 4263 (HY000): Minor freeze not allowed now

  • Error code in OceanBase Database: 4263

  • Cause: Minor freezes are not allowed when the system is in the current state.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4264 (HY000): Log out of disk space

  • Error code in OceanBase Database: 4264

  • Cause: The log disk is fully occupied.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4265 (HY000): Rpc connect error

  • Error code in OceanBase Database: 4265

  • Cause: A RPC connection failed to be established.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4266 (HY000): minor merge not allow

  • Error code in OceanBase Database: 4266

  • Cause: Minor compactions are not allowed when the system is in the current state.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4270 (HY000): Working partition entry does not exists

  • Error code in OceanBase Database: 4270

  • Cause: The partition status is abnormal.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4271 (HY000): LIBEASY reach memory limit

  • Error code in OceanBase Database: 4271

  • Cause: The memory size occupied by unsent libeasy packets has exceeded the upper limit.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4273 (HY000): free memblock in cache is not enough

  • Error code in OceanBase Database: 4273

  • Cause: Available memory blocks in the cache are insufficient.

  • Solution: Increase the memory size, reduce the load, or contact OceanBase Technical Support for troubleshooting.

ERROR 4274 (HY000): sync wash memblock timeout

  • Error code in OceanBase Database: 4274

  • Cause: Memory blocks were not released within the timeout period.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4278 (HY000): last log is not complete

  • Error code in OceanBase Database: 4278

  • Cause: The last log is incomplete due to a power failure or an emergency.

  • Solution: Restart the OBServer node or contact OceanBase Technical Support for troubleshooting.

ERROR 4279 (HY000): table is deleted

  • Error code in OceanBase Database: 4279

  • Cause: The table has been deleted.

  • Solution: Check whether the SQL statement attempts to access the deleted table.

ERROR 4280 (HY000): version range not continues

  • Error code in OceanBase Database: 4280

  • Cause: The version range is inconsecutive.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4281 (HY000): io buffer is invalid

  • Error code in OceanBase Database: 4281

  • Cause: The I/O buffer is invalid.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4282 (HY000): partition is removed

  • Error code in OceanBase Database: 4282

  • Cause: The partition has been deleted.

  • Solution: Check whether the operation is initiated on the deleted partition, or contact OceanBase Technical Support for troubleshooting.

ERROR 4283 (HY000): gts is not ready

  • Error code in OceanBase Database: 4283

  • Cause: Global Timestamp Service (GTS) is not available.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4286 (HY000): major sstable may has been merged

  • Error code in OceanBase Database: 4286

  • Cause: Baseline data has been compacted.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4287 (HY000): minor sstable version range cross

  • Error code in OceanBase Database: 4287

  • Cause: Version ranges of SSTables have an intersection.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4288 (HY000): memtable cannot minor merge

  • Error code in OceanBase Database: 4288

  • Cause: A minor compaction of the MemTable failed.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4289 (HY000): task exist

  • Error code in OceanBase Database: 4289

  • Cause: Duplicate tasks exist.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4290 (HY000): cannot allocate disk space

  • Error code in OceanBase Database: 4290

  • Cause: The available disk space is insufficient.

  • Solution: Increase the disk space, or contact OceanBase Technical Support for troubleshooting.

ERROR 4297 (HY000): name is already used by an existing object

  • Error code in OceanBase Database: 4297

  • Cause: The specified object name is already used in the same namespace.

  • Solution: Specify an object name that is not used in the namespace.

ERROR 4298 (HY000): %s does not exist

  • Error code in OceanBase Database: 4298

  • Cause: The specified sequence does not exist.

  • Solution: Make sure that the specified sequence name is valid and that you have the required privilege to perform the operation on the sequence.

ERROR 4300 (HY000): invalid sequence name

  • Error code in OceanBase Database: 4300

  • Cause: The specified sequence name is invalid.

  • Solution: Modify the sequence name.

ERROR 4301 (HY000): duplicate MAXVALUE/NOMAXVALUE specifications

  • Error code in OceanBase Database: 4301

  • Cause: Duplicate MAXVALUE or NOMAXVALUE settings exist.

  • Solution: Deduplicate MAXVALUE or NOMAXVALUE settings.

ERROR 4302 (HY000): duplicate MINVALUE/NOMINVALUE specifications

  • Error code in OceanBase Database: 4302

  • Cause: Duplicate MINVALUE or NOMINVALUE settings exist.

  • Solution: Deduplicate MINVALUE or NOMINVALUE settings.

ERROR 4303 (HY000): duplicate CYCLE/NOCYCLE specifications

  • Error code in OceanBase Database: 4303

  • Cause: Duplicate CYCLE or NOCYCLE settings exist.

  • Solution: Deduplicate CYCLE or NOCYCLE settings.

ERROR 4304 (HY000): duplicate CACHE/NOCACHE specifications

  • Error code in OceanBase Database: 4304

  • Cause: Duplicate CACHE or NOCACHE settings exist.

  • Solution: Deduplicate CACHE or NOCACHE settings.

ERROR 4305 (HY000): duplicate ORDER/NOORDER specifications

  • Error code in OceanBase Database: 4305

  • Cause: Duplicate ORDER or NOORDER settings exist.

  • Solution: Deduplicate ORDER or NOORDER settings.

ERROR 4306 (HY000): conflicting MAXVALUE/NOMAXVALUE specifications

  • Error code in OceanBase Database: 4306

  • Cause: Conflicting MAXVALUE or NOMAXVALUE settings exist.

  • Solution: Delete conflicting MAXVALUE or NOMAXVALUE settings.

ERROR 4307 (HY000): conflicting MINVALUE/NOMINVALUE specifications

  • Error code in OceanBase Database: 4307

  • Cause: Conflicting MINVALUE or NOMINVALUE settings exist.

  • Solution: Delete conflicting MINVALUE or NOMINVALUE settings.

ERROR 4308 (HY000): conflicting CYCLE/NOCYCLE specifications

  • Error code in OceanBase Database: 4308

  • Cause: Conflicting CYCLE or NOCYCLE settings exist.

  • Solution: Delete conflicting CYCLE or NOCYCLE settings.

ERROR 4309 (HY000): conflicting CACHE/NOCACHE specifications

  • Error code in OceanBase Database: 4309

  • Cause: Conflicting CACHE or NOCACHE settings exist.

  • Solution: Delete conflicting CACHE or NOCACHE settings.

ERROR 4310 (HY000): conflicting ORDER/NOORDER specifications

  • Error code in OceanBase Database: 4310

  • Cause: Conflicting ORDER or NOORDER settings exist.

  • Solution: Delete conflicting ORDER or NOORDER settings.

ERROR 4311 (HY000): cannot alter starting sequence number

  • Error code in OceanBase Database: 4311

  • Cause: The START WITH value of an auto-increment column cannot be modified.

  • Solution: Do not modify the START WITH value.

ERROR 4312 (HY000): duplicate INCREMENT BY specifications

  • Error code in OceanBase Database: 4312

  • Cause: Duplicate INCREMENT BY settings exist.

  • Solution: Deduplicate INCREMENT BY settings.

ERROR 4313 (HY000): duplicate START WITH specifications

  • Error code in OceanBase Database: 4313

  • Cause: Duplicate START WITH settings exist.

  • Solution: Deduplicate START WITH settings.

ERROR 4314 (HY000): no options specified for ALTER SEQUENCE

  • Error code in OceanBase Database: 4314

  • Cause: No option is specified in the ALTER SEQUENCE statement.

  • Solution: Options in statements are meaningful. Make sure that all the required options are specified in the statement.

ERROR 4315 (HY000): sequence number not allowed here

  • Error code in OceanBase Database: 4315

  • Cause: Auto-increment columns are not allowed for this operation.

  • Solution: Delete the specified auto-increment column.

ERROR 4316 (HY000): sequence does not exist

  • Error code in OceanBase Database: 4316

  • Cause: The specified auto-increment column does not exist, or you do not have the required privilege.

  • Solution: Make sure that the specified auto-increment column name is valid and that you have the required privilege on the column.

ERROR 4317 (HY000): sequence parameter %s must be an integer

  • Error code in OceanBase Database: 4317

  • Cause: A parameter value in the CREATE SEQUENCE or ALTER SEQUENCE statement is not an integer.

  • Solution: When you create or modify an auto-increment column, specify integer values for parameters in the statement.

ERROR 4318 (HY000): INCREMENT must be a nonzero integer

  • Error code in OceanBase Database: 4318

  • Cause: The value of INCREMENT is not a non-zero integer.

  • Solution: Set INCREMENT to a non-zero integer.

ERROR 4319 (HY000): sequence parameter exceeds maximum size allowed

  • Error code in OceanBase Database: 4319

  • Cause: A parameter value specified for the auto-increment column exceeds the maximum value allowed.

  • Solution: Specify parameter values within the range allowed.

ERROR 4320 (HY000): MINVALUE must be less than MAXVALUE

  • Error code in OceanBase Database: 4320

  • Cause: In the CREATE SEQUENCE or ALTER SEQUENCE statement, the value of MINVALUE is not less than that of MAXVALUE.

  • Solution: Make sure that the value of MINVALUE is less than that of MAXVALUE.

ERROR 4321 (HY000): INCREMENT must be less than MAXVALUE minus MINVALUE

  • Error code in OceanBase Database: 4321

  • Cause: In the CREATE SEQUENCE or ALTER SEQUENCE statement, the value of INCREMENT is not less than the difference between the values of MAXVALUE and MINVALUE.

  • Solution: Make sure that the value of INCREMENT is less than the difference between the values of MAXVALUE and MINVALUE.

ERROR 4322 (HY000): START WITH cannot be less than MINVALUE

  • Error code in OceanBase Database: 4322

  • Cause: In the CREATE SEQUENCE or ALTER SEQUENCE statement, the value of START WITH is less than that of MINVALUE.

  • Solution: Make sure that the value of START WITH is greater than or equal to that of MINVALUE.

ERROR 4323 (HY000): MINVALUE cannot be made to exceed the current value

  • Error code in OceanBase Database: 4323

  • Cause: The value of MINVALUE is greater than the current value.

  • Solution: Make sure that the value of MINVALUE is less than the current value.

ERROR 4324 (HY000): START WITH cannot be more than MAXVALUE

  • Error code in OceanBase Database: 4324

  • Cause: The value of START WITH is greater than that of MAXVALUE.

  • Solution: Make sure that the value of START WITH is less than that of MAXVALUE.

ERROR 4325 (HY000): MAXVALUE cannot be made to be less than the current value

  • Error code in OceanBase Database: 4325

  • Cause: The value of MAXVALUE is less than the current value.

  • Solution: Make sure that the value of MAXVALUE is greater than the current value.

ERROR 4326 (HY000): the number of values to CACHE must be greater than 1

  • Error code in OceanBase Database: 4326

  • Cause: A parameter value in the CACHE clause is not greater than 1.

  • Solution: Make sure that the parameter values in the CACHE clause are greater than 1.

ERROR 4327 (HY000): sequence option value out of range

  • Error code in OceanBase Database: 4327

  • Cause: A parameter value in the CREATE SEQUENCE or ALTER SEQUENCE statement is out of range.

  • Solution: Specify parameter values within the range allowed.

ERROR 4328 (HY000): number to CACHE must be less than one cycle

  • Error code in OceanBase Database: 4328

  • Cause: The parameter values to be cached are not within one cycle.

  • Solution: Lengthen the cycle, or cache fewer values.

ERROR 4329 (HY000): descending sequences that CYCLE must specify MINVALUE

  • Error code in OceanBase Database: 4329

  • Cause: MINVALUE is not specified for the descending auto-increment column.

  • Solution: Create a sequence and specify MINVALUE.

ERROR 4330 (HY000): ascending sequences that CYCLE must specify MAXVALUE

  • Error code in OceanBase Database: 4330

  • Cause: MAXVALUE is not specified for the ascending auto-increment column.

  • Solution: Create a sequence and specify MAXVALUE.

ERROR 4331 (HY000): sequence %s no longer exists

  • Error code in OceanBase Database: 4331

  • Cause: The specified auto-increment column does not exist.

  • Solution: Create an auto-increment column.

ERROR 4332 (HY000): sequence exceeds %s and cannot be instantiated

  • OceanBase error code: 4332

  • Cause: The number of values in the auto-increment column has reached the upper limit, and no more values can be generated.

  • Solution: Modify the auto-increment column to generate new values.

ERROR 4333 (HY000): divisor is equal to zero

  • Error code in OceanBase Database: 4333

  • Cause: The divisor is 0.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4334 (HY000): fail to decrypt data

  • Error code in OceanBase Database: 4334

  • Cause: Decryption failed.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4335 (HY000): fail to encrypt data

  • Error code in OceanBase Database: 4335

  • Cause: Encryption failed.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4337 (HY000): store directory structure error

  • Error code in OceanBase Database: 4337

  • Cause: A storage directory structure error occurred.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4338 (HY000): open twice

  • Error code in OceanBase Database: 4338

  • Cause: The file was repeatedly opened.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4339 (HY000): raid super block not match

  • Error code in OceanBase Database: 4339

  • Cause: The super block encountered an error.

  • Solution: Check the disk or contact OceanBase Technical Support for troubleshooting.

ERROR 4340 (HY000): not opened

  • Error code in OceanBase Database: 4340

  • Cause: The item is not opened.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4341 (HY000): target module is not in service

  • Error code in OceanBase Database: 4341

  • Cause: Weak consistency reads are not enabled.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4342 (HY000): raid disk not in normal status

  • Error code in OceanBase Database: 4342

  • Cause: The disk status is abnormal.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4343 (HY000): tenant schema is not full

  • Error code in OceanBase Database: 4343

  • Cause: The local tenant schema version is outdated.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4344 (HY000): invalid timestamp

  • OceanBase error code: 4344

  • Cause: The specified timestamp is invalid.

  • Solution: Specify a valid timestamp.

ERROR 4345 (HY000): dir not empty

  • Error code in OceanBase Database: 4345

  • Cause: The specified directory is not empty.

  • Solution: Check whether the installation directory of OceanBase Database is valid.

ERROR 4346 (HY000): schema is not up to date for read

  • Error code in OceanBase Database: 4346

  • Cause: The local schema version is outdated.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4347 (HY000): role (string) does not exist

  • Error code in OceanBase Database: 4347

  • Cause: The role identified by ROLE does not exist.

  • Solution: Specify a valid value for ROLE.

ERROR 4348 (HY000): role '%.*s' does not exist

  • Error code in OceanBase Database: 4348

  • Cause: A user or role with the specified name already exists.

  • Solution: Specify another name.

ERROR 4349 (HY000): duplicate privilege listed

  • Error code in OceanBase Database: 4349

  • Cause: Duplicate privileges or roles are specified in the GRANT or REVOKE statement.

  • Solution: Deduplicate the privileges or roles specified in the statement.

ERROR 4350 (HY000): the keystore already exists and each tenant can only have at most one

  • Error code in OceanBase Database: 4350

  • Cause: A Keystore already exists within the current tenant. You can create only one Keystore for a tenant.

  • Solution: Check whether a Keystore has been created for the tenant.

ERROR 4351 (HY000): the keystore is not exist

  • Error code in OceanBase Database: 4351

  • Cause: No Keystore exists within the current tenant.

  • Solution: Check whether a Keystore has been created for the tenant.

ERROR 4352 (HY000): the password is wrong for keystore

  • Error code in OceanBase Database: 4352

  • Cause: The specified Keystore password is invalid.

  • Solution: Specify the valid password.

ERROR 4353 (HY000): tablespace '%.*s' already exists

  • Error code in OceanBase Database: 4353

  • Cause: A tablespace with the specified name already exists.

  • Solution: Specify another name for the tablespace to be created.

ERROR 4354 (HY000): tablespace '%.*s' does not exist

  • Error code in OceanBase Database: 4354

  • Cause: The tablespace does not exist.

  • Solution: Check whether the tablespace to be accessed exists.

ERROR 4355 (HY000): cannot delete a tablespace which is not empty

  • Error code in OceanBase Database: 4355

  • Cause: The tablespace to be deleted is not empty.

  • Solution: Make sure that the tablespace is empty and then delete it.

ERROR 4356 (HY000): floating point precision is out of range(1 to 126)

  • Error code in OceanBase Database: 4356

  • Cause: The precision of BINARY_DOUBLE data is out of range.

  • Solution: Reduce the precision of the data.

ERROR 4357 (HY000): numeric precision specifier is out of range (1 to 38)

  • Error code in OceanBase Database: 4357

  • Cause: The precision of NUMBER data is out of range.

  • Solution: Reduce the precision of the data.

ERROR 4358 (HY000): numeric scale specifier is out of range (-84 to 127)

  • Error code in OceanBase Database: 4358

  • Cause: The precision of NUMBER data is out of range.

  • Solution: Reduce the precision of the data.

ERROR 4359 (HY000): the keystore is not open

  • Error code in OceanBase Database: 4359

  • Cause: The Keystore is not open.

  • Solution: Open the Keystore.

ERROR 4360 (HY000): the keystore opened with dont have a master key

  • Error code in OceanBase Database: 4360

  • Cause: No master key is available.

  • Solution: Create a master key.

ERROR 4361 (HY000): slog active transaction entries reach maximum

  • Error code in OceanBase Database: 4361

  • Cause: The number of concurrent slog transactions exceeds the upper limit.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4362 (HY000): BY ACCESS | SESSION clause not allowed for NOAUDIT

  • Error code in OceanBase Database: 4362

  • Cause: The BY ACCESS or BY SESSION clause is specified in the NOAUDIT statement.

  • Solution: Delete the BY ACCESS or BY SESSION clause.

ERROR 4363 (HY000): auditing the object is not supported

  • Error code in OceanBase Database: 4363

  • Cause: This type of object cannot be audited.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4364 (HY000): DDL statement cannot be audited with BY SESSION specified

  • Error code in OceanBase Database: 4364

  • Cause: The BY SESSION clause is used to audit the DDL statement.

  • Solution: Delete the BY SESSION clause.

ERROR 4367 (HY000): The data more than 64M(rpc limit), split into smaller task and retry

  • Error code in OceanBase Database: 4367

  • Cause: When the data volume exceeds 64 MB, the execution task must be split into smaller tasks. This error code is used to instruct the execution scheduler to split the task and try again.

  • Solution: This is an internal error code. Contact OceanBase Technical Support for troubleshooting.

ERROR 4368 (HY000): cluster %s not exist

  • Error code in OceanBase Database: 4368

  • Cause: When you access ConfigServer to obtain cluster information, ConfigServer returns this error code to indicate that the cluster does not exist.

  • Solution: This is an internal error code. Contact OceanBase Technical Support for troubleshooting.

ERROR 4369 (HY000): fail to get master key

  • Error code in OceanBase Database: 4369

  • Cause: The master key failed to be obtained.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4370 (HY000): tde_method parameter is invalid

  • Error code in OceanBase Database: 4370

  • Cause: The value of tde_method for the tenant is invalid.

  • Solution: Adjust the value of tde_method.

ERROR 4371 (HY000): kms server connect failed, may be kms server is down

  • Error code in OceanBase Database: 4371

  • Cause: A connection to Key Management Service (KMS) failed to be established.

  • Solution: Check whether KMS is available.

ERROR 4372 (HY000): kms server is busy, try again

  • Error code in OceanBase Database: 4372

  • Cause: The KMS server is busy.

  • Solution: Try again.

ERROR 4373 (HY000): kms server update key conflict at the same time, please try again

  • Error code in OceanBase Database: 4373

  • Cause: A conflict occurred when multiple master keys were updated at a time.

  • Solution: Try again.

ERROR 4374 (HY000): value larger than specified precision allowed for this column

  • Error code in OceanBase Database: 4374

  • Cause: The precision of the current value is greater than the precision defined for the field.

  • Solution: Adjust the value or the field definition.

ERROR 4375 (HY000): observer has disk error

  • Error code in OceanBase Database: 4375

  • Cause: The storage disk is faulty.

  • Solution: Check whether the disk is faulty and replace the corresponding server.

ERROR 4376 (HY000): unimplemented feature

  • Error code in OceanBase Database: 4376

  • Cause: OceanBase Database does not support this feature.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4377 (HY000): fatal internal error in [%.*s]

  • Error code in OceanBase Database: 4377

  • Cause: OceanBase Database encountered an unexpected internal error, such as a program execution failure.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4378 (HY000): cluster name conflict

  • Error code in OceanBase Database: 4378

  • Cause: The specified cluster name already exists.

  • Solution: Specify another cluster name.

ERROR 4379 (HY000): heap table has reached max row size, cannot insert anymore

  • Error code in OceanBase Database: 4379

  • Cause: No more data can be inserted into the table without a primary key.

  • Solution: Create a table and import the data of the original table to the new table.

Note

This error code is introduced since OceanBase Database V4.0.0.

ERROR 4381 (HY000): Not supported, deprecated MySQL feature

  • Error code in OceanBase Database: 4381

  • Cause: Float(m,d) or double(m,d) was used to define the floating-point type with precision when data types were specified.

  • Solution: Use decimal(m,d) rather than float(m,d) or double(m,d) to specify exact decimal numerals.

Note

This error code is introduced since OceanBase Database V4.0.0.

ERROR 4383 (HY000): transaction id is not ready

  • Error code in OceanBase Database: 4383

  • Cause: No ID range is available for the Transaction ID allocator to use.

  • Solution: Retry the acquisition process until it times out.

Note

This error code is introduced since OceanBase Database V4.0.0.

ERROR 4386 (HY000): Do not allow removing leader

  • Error code in OceanBase Database: 4386

  • Cause: An internal error occurred. Migration is not supported because the migration source is a leader log-only replica.

  • Solution: Troubleshooting is not required.

Note

This error code is introduced since OceanBase Database V4.0.0.

ERROR 4387 (HY000): Failed to switch resource group

  • Error code in OceanBase Database: 4387
  • MySQL error code: 13937

ERROR 4388 (HY000): Unexpected internal error happen, please checkout the internal errcode

  • Error code in OceanBase Database: 4388

  • Cause: An unexpected internal error occurs.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

Note

This error code is introduced since OceanBase Database V3.2.4.

ERROR 4389 (HY000): processing time is too long

  • Error code in OceanBase Database: 4389

  • Cause: The task processing time is too long.

  • Solution: This is an internal error code. If this error is returned, contact OceanBase Technical Support for troubleshooting.

Note

This error code is introduced since OceanBase Database V3.2.4.

ERROR 4390 (HY000): Schema of remote server is not refreshed yet

  • Error code in OceanBase Database: 4389

  • Cause: The local or remote schema is not refreshed. Some of the OBServer nodes may not be restarted or may be abnormal.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

Note

This error code is introduced since OceanBase Database V4.0.0.

ERROR 4391 (HY000): ddl sstable version range cross

  • Error code in OceanBase Database: 4391

  • Cause: DDL statements for automatic and manual SSTable compactions conflict.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

Note

This error code is introduced since OceanBase Database V4.0.0.

ERROR 4392 (HY000): disk is hung

  • Error code in OceanBase Database: 4392
  • Cause: The disk is faulty.
  • Solution: Contact OceanBase Technical Support for troubleshooting.

Note

This error code is introduced since OceanBase Database V4.1.0.

ERROR 4393 (HY000): observer start process failure

  • Error code in OceanBase Database: 4393

  • Cause: The observer process fails to start because an internal component or service is initialized.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

Note

This error code is introduced since OceanBase Database V4.1.0.

ERROR 4394 (HY000): observer stop process failure

  • Error code in OceanBase Database: 4394
  • Cause: An internal component or service error occurs when the observer process exits.
  • Solution: Contact OceanBase Technical Support for troubleshooting.

Note

This error code is introduced since OceanBase Database V4.1.0.

ERROR 4395 (HY000): observice start process has failure

  • Error code in OceanBase Database: 4395
  • Cause: The observer process fails to start because an internal component or service is initialized.
  • Solution: Contact OceanBase Technical Support for troubleshooting.

Note

This error code is introduced since OceanBase Database V4.1.0.

ERROR 4396 (HY000): Worker thread pannic, thread may be terminated or hung

  • Error code in OceanBase Database: 4396
  • Cause: A worker thread aborts execution due to an exception.
  • Solution: Contact OceanBase Technical Support for troubleshooting.

Note

This error code is introduced since OceanBase Database V4.1.0.

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ERROR 4000 (HY000): Common error
ERROR 4001 (HY004): Object type error
ERROR 4003 (42000): Array index out of range
ERROR 4004 (08S01): Failed to listen to the port
ERROR 4005 (HY000): The object is initialized twice
ERROR 4006 (HY000): The object is not initialized
ERROR 4008 ( HY000 ): End of iteration
ERROR 4009 (58030 ): IO error
ERROR 4010 (HY000): Wrong RPC command version
ERROR 4012 (HY000): Timeout, query has reached the maximum query timeout: %ld(us), maybe you can adjust the session variable ob_query_timeout or query_timeout hint, and try again
ERROR 4012 (HY000): Task timeout and not executed
ERROR 4012 (HY000): RPC session not found
ERROR 4012 (HY000): RPC send error
ERROR 4012 (HY000): RPC post error
ERROR 4012 (HY000): Timeout
ERROR 4012 (HY000): Statement is timeout
ERROR 4012 (25000): Transaction timeout occurred, please rollback the transaction, set the variable ob_trx_timeout to a larger value and then restart the transaction
ERROR 4012 (25000): Statement timeout occurred, please set the variable ob_query_timeout to a larger value an then restart the statement
ERROR 4012 (25000): Transaction result isunknown
ERROR 4012 (25000): transaction rpc timeout
ERROR 4013 (HY001): No memory or reach tenant memory limit
ERROR 4014 (HY000): Inner state error
ERROR 4015 (HY000): System error
ERROR 4016 (HY000): Internal error
ERROR 4017 (HY000): Entry already exist
ERROR 4018 (HY000): Entry not exist
ERROR 4019 (HY000): Size overflow
ERROR 4020 (HY000): Reference count is not zero
ERROR 4021 (HY000): Conflict value
ERROR 4022 (HY000): Item not set
ERROR 4023 (HY000): Try again
ERROR 4024 (HY000): Buffer not enough
ERROR 4025 (HY000): Partial failed
ERROR 4026 (02000): Nothing to read
ERROR 4028 (HY000): Log entry not continuous
ERROR 4029 (HY000): Schema error
ERROR 4030 (HY000): Over tenant memory limits
ERROR 4031 (HY004): Unknown object
ERROR 4033 (HY000): Serialize error
ERROR 4034 (HY000): Deserialize error
ERROR 4035 (HY000): Asynchronous IO error
ERROR 4036 (HY000): Need retry
ERROR 4037 (HY000): Too many sstable
ERROR 4038 (HY000): The observer or zone is not the master
ERROR 4039 (HY000): Request has killed by sql throttle
ERROR 4041 (HY000): Decrypt error
ERROR 4045 (HY000): pushdown status changed
ERROR 4046 (HY000): Storage schema is not valid
ERROR 4047 (HY000): Medium compaction info is not valid
ERROR 4048 (HY000): Not registered
ERROR 4050 (HY000): Not the object
ERROR 4052 (HY000): Corrupted log entry
ERROR 4055 (HY000): Invalid entry
ERROR 4057 (HY000): Decimal overflow warning
ERROR 4058 (HY000): Decimal overflow error
ERROR 4060 (HY000): Divide error
ERROR 4061 (HY000): Not a decimal
ERROR 4062 (HY104): Decimal precision error
ERROR 4063 (HY000): Empty range
ERROR 4064 (HY000): Session killed
ERROR 4065 (HY000): Log not sync
ERROR 4068 (HY000): Invalid log
ERROR 4070 (HY000): Invalid data
ERROR 4071 (HY000): Already done
ERROR 4072 (HY000): Operation canceled
ERROR 4074 (HY000): Log not aligned
ERROR 4075 (HY000): Log entry missed
ERROR 4076 (HY000): Need wait
ERROR 4077 (0A000): Not implemented feature
ERROR 4080 (HY013): exceed memory limit
ERROR 4084 (02000): No result
ERROR 4085 (HY000): Queue overflow
ERROR 4090 (HY000): Table log_id range no continuous
ERROR 4098 (HY000): Term not match
ERROR 4103 (42000): Data checksum error
ERROR 4104 (HY000): Initialize error
ERROR 4105 (HY000): Rowkey order error
ERROR 4107 (HY000): block switched when fill commitlog
ERROR 4108 (HY000): Physic data checksum error
ERROR 4109 (HY000): Server state or role not the same as expected
ERROR 4111 (HY000): block need freeze
ERROR 4112 (HY000): block frozen
ERROR 4113 (HY000): In FATAL state
ERROR 4114 (08S01): In STOP state
ERROR 4119 (08000): RPC packet to send too long
ERROR 4120 (HY000): Log too large
ERROR 4123 (08000): Libeasy error
ERROR 4124 (HY000): Connect error
ERROR 4128 (HY000): RPC packet is invalid
ERROR 4138 (HY000): Request to read too old versioned data
ERROR 4143 (42000): Version not match
ERROR 4147 (HY000): Invalid config
ERROR 4150 (42000): Min value
ERROR 4151 (42000): Max value
ERROR 4152 (42000): Null value
ERROR 4154 (HY000): Internal SQL client error
ERROR 4161 (42000): Invalid argument num
ERROR 4162 (HY000): reserved lease not enough
ERROR 4165 (HY000): Empty result
ERROR 4168 (HY000): Invalid log module id
ERROR 4169 (HY000): Unknown module name. Invalid Setting:'%.*s'. Syntax:parMod.subMod:level, parMod.subMod:level
ERROR 4170 (HY000): Invalid level. Invalid setting:'%.*s'. Syntax:parMod.subMod:level, parMod.subMod:level
ERROR 4171 (HY000): Syntax to set log_level error. Invalid setting:'%.*s'. Syntax:parMod.subMod:level, parMod.subMod:level
ERROR 4172 (HY000): Index out of range
ERROR 4175 (42000): Out of range
ERROR 4177 (42000): Schema version too old
ERROR 4179 (HY000): %s not allowed
ERROR 4180 (HY000): No empty entry
ERROR 4181 (42S01): Already exist
ERROR 4182 (HY000): Value not found
ERROR 4183 (HY000): Key out of range
ERROR 4184 (53100): ChunkServer out of disk space
ERROR 4186 (HY000): ChunkServer failed to get compress library
ERROR 4187 (HY000): Item not match
ERROR 4189 (HY000): the macro block type does not exist
ERROR 4191 (HY000): partition group is removed
ERROR 4192 (42000): ddl task executes too much time
ERROR 4200 (HY000): hash map/set entry exist
ERROR 4201 (HY000): hash map/set entry not exist
ERROR 4204 (HY000): hash map/set get timeout
ERROR 4205 (HY000): hash map/set retry
ERROR 4206 (HY000): hash map/set full
ERROR 4208 (HY000): wait next packet timeout
ERROR 4209 (HY000): partition has not leader
ERROR 4210 (HY000): prepare major freeze failed
ERROR 4211 (HY000): commit major freeze failed
ERROR 4212 (HY000): abort major freeze failed
ERROR 4213 (HY000): last major freeze not finish", "%s
ERROR 4215 (HY000): wait major freeze response timeout
ERROR 4216 (HY000): curl error
ERROR 4217 (HY000): Major freeze not allowed now
ERROR 4218 (HY000): prepare freeze failed
ERROR 4220 (HY000): Inactive sql client, only read allowed
ERROR 4221 (HY000): Inactive rpc proxy, can not send RPC request
ERROR 4222 (42000): Interval with year or month can not be converted to microseconds
ERROR 4223 (42000): Interval has too many datetime parts
ERROR 4225 (HY000): Partition entry not exists
ERROR 4232 (HY000): The observer or zone is not a follower
ERROR 4233 (HY000): smaller than container lower bound
ERROR 4234 (HY000): bigger than container upper bound
ERROR 4236 (HY000): ObConfig return error code
ERROR 4237 (HY000): Appname mismatch with obconfig result
ERROR 4239 (HY000): Can not use merge join to join the tables without join conditions
ERROR 4240 (HY000): No join order generated
ERROR 4241 (HY000): No join path generated
ERROR 4242 (HY000): Schema error
ERROR 4243 (HY000): file not opened
ERROR 4244 (HY000): Timer task has been scheduled
ERROR 4245 (HY000): Timer task has not been scheduled
ERROR 4246 (HY000): parse debug sync string error
ERROR 4247 (HY000): unknown debug sync point
ERROR 4248 (HY000): task is interrupted while running
ERROR 4250 (HY000): module is not running
ERROR 4251 (HY000): partition not valid
ERROR 4253 (HY000): Comment for tenant is too long (max = %ld)
ERROR 4257 (HY000): compress data or decompress data failed
ERROR 4263 (HY000): Minor freeze not allowed now
ERROR 4264 (HY000): Log out of disk space
ERROR 4265 (HY000): Rpc connect error
ERROR 4266 (HY000): minor merge not allow
ERROR 4270 (HY000): Working partition entry does not exists
ERROR 4271 (HY000): LIBEASY reach memory limit
ERROR 4273 (HY000): free memblock in cache is not enough
ERROR 4274 (HY000): sync wash memblock timeout
ERROR 4278 (HY000): last log is not complete
ERROR 4279 (HY000): table is deleted
ERROR 4280 (HY000): version range not continues
ERROR 4281 (HY000): io buffer is invalid
ERROR 4282 (HY000): partition is removed
ERROR 4283 (HY000): gts is not ready
ERROR 4286 (HY000): major sstable may has been merged
ERROR 4287 (HY000): minor sstable version range cross
ERROR 4288 (HY000): memtable cannot minor merge
ERROR 4289 (HY000): task exist
ERROR 4290 (HY000): cannot allocate disk space
ERROR 4297 (HY000): name is already used by an existing object
ERROR 4298 (HY000): %s does not exist
ERROR 4300 (HY000): invalid sequence name
ERROR 4301 (HY000): duplicate MAXVALUE/NOMAXVALUE specifications
ERROR 4302 (HY000): duplicate MINVALUE/NOMINVALUE specifications
ERROR 4303 (HY000): duplicate CYCLE/NOCYCLE specifications
ERROR 4304 (HY000): duplicate CACHE/NOCACHE specifications
ERROR 4305 (HY000): duplicate ORDER/NOORDER specifications
ERROR 4306 (HY000): conflicting MAXVALUE/NOMAXVALUE specifications
ERROR 4307 (HY000): conflicting MINVALUE/NOMINVALUE specifications
ERROR 4308 (HY000): conflicting CYCLE/NOCYCLE specifications
ERROR 4309 (HY000): conflicting CACHE/NOCACHE specifications
ERROR 4310 (HY000): conflicting ORDER/NOORDER specifications
ERROR 4311 (HY000): cannot alter starting sequence number
ERROR 4312 (HY000): duplicate INCREMENT BY specifications
ERROR 4313 (HY000): duplicate START WITH specifications
ERROR 4314 (HY000): no options specified for ALTER SEQUENCE
ERROR 4315 (HY000): sequence number not allowed here
ERROR 4316 (HY000): sequence does not exist
ERROR 4317 (HY000): sequence parameter %s must be an integer
ERROR 4318 (HY000): INCREMENT must be a nonzero integer
ERROR 4319 (HY000): sequence parameter exceeds maximum size allowed
ERROR 4320 (HY000): MINVALUE must be less than MAXVALUE
ERROR 4321 (HY000): INCREMENT must be less than MAXVALUE minus MINVALUE
ERROR 4322 (HY000): START WITH cannot be less than MINVALUE
ERROR 4323 (HY000): MINVALUE cannot be made to exceed the current value
ERROR 4324 (HY000): START WITH cannot be more than MAXVALUE
ERROR 4325 (HY000): MAXVALUE cannot be made to be less than the current value
ERROR 4326 (HY000): the number of values to CACHE must be greater than 1
ERROR 4327 (HY000): sequence option value out of range
ERROR 4328 (HY000): number to CACHE must be less than one cycle
ERROR 4329 (HY000): descending sequences that CYCLE must specify MINVALUE
ERROR 4330 (HY000): ascending sequences that CYCLE must specify MAXVALUE
ERROR 4331 (HY000): sequence %s no longer exists
ERROR 4332 (HY000): sequence exceeds %s and cannot be instantiated
ERROR 4333 (HY000): divisor is equal to zero
ERROR 4334 (HY000): fail to decrypt data
ERROR 4335 (HY000): fail to encrypt data
ERROR 4337 (HY000): store directory structure error
ERROR 4338 (HY000): open twice
ERROR 4339 (HY000): raid super block not match
ERROR 4340 (HY000): not opened
ERROR 4341 (HY000): target module is not in service
ERROR 4342 (HY000): raid disk not in normal status
ERROR 4343 (HY000): tenant schema is not full
ERROR 4344 (HY000): invalid timestamp
ERROR 4345 (HY000): dir not empty
ERROR 4346 (HY000): schema is not up to date for read
ERROR 4347 (HY000): role (string) does not exist
ERROR 4348 (HY000): role '%.*s' does not exist
ERROR 4349 (HY000): duplicate privilege listed
ERROR 4350 (HY000): the keystore already exists and each tenant can only have at most one
ERROR 4351 (HY000): the keystore is not exist
ERROR 4352 (HY000): the password is wrong for keystore
ERROR 4353 (HY000): tablespace '%.*s' already exists
ERROR 4354 (HY000): tablespace '%.*s' does not exist
ERROR 4355 (HY000): cannot delete a tablespace which is not empty
ERROR 4356 (HY000): floating point precision is out of range(1 to 126)
ERROR 4357 (HY000): numeric precision specifier is out of range (1 to 38)
ERROR 4358 (HY000): numeric scale specifier is out of range (-84 to 127)
ERROR 4359 (HY000): the keystore is not open
ERROR 4360 (HY000): the keystore opened with dont have a master key
ERROR 4361 (HY000): slog active transaction entries reach maximum
ERROR 4362 (HY000): BY ACCESS | SESSION clause not allowed for NOAUDIT
ERROR 4363 (HY000): auditing the object is not supported
ERROR 4364 (HY000): DDL statement cannot be audited with BY SESSION specified
ERROR 4367 (HY000): The data more than 64M(rpc limit), split into smaller task and retry
ERROR 4368 (HY000): cluster %s not exist
ERROR 4369 (HY000): fail to get master key
ERROR 4370 (HY000): tde_method parameter is invalid
ERROR 4371 (HY000): kms server connect failed, may be kms server is down
ERROR 4372 (HY000): kms server is busy, try again
ERROR 4373 (HY000): kms server update key conflict at the same time, please try again
ERROR 4374 (HY000): value larger than specified precision allowed for this column
ERROR 4375 (HY000): observer has disk error
ERROR 4376 (HY000): unimplemented feature
ERROR 4377 (HY000): fatal internal error in [%.*s]
ERROR 4378 (HY000): cluster name conflict
ERROR 4379 (HY000): heap table has reached max row size, cannot insert anymore
ERROR 4381 (HY000): Not supported, deprecated MySQL feature
ERROR 4383 (HY000): transaction id is not ready
ERROR 4386 (HY000): Do not allow removing leader
ERROR 4387 (HY000): Failed to switch resource group
ERROR 4388 (HY000): Unexpected internal error happen, please checkout the internal errcode
ERROR 4389 (HY000): processing time is too long
ERROR 4390 (HY000): Schema of remote server is not refreshed yet
ERROR 4391 (HY000): ddl sstable version range cross
ERROR 4392 (HY000): disk is hung
ERROR 4393 (HY000): observer start process failure
ERROR 4394 (HY000): observer stop process failure
ERROR 4395 (HY000): observice start process has failure
ERROR 4396 (HY000): Worker thread pannic, thread may be terminated or hung