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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 - V3.2.4Enterprise Edition

  • Documentation Revision History
  • Document Overview
  • Get Started
    • What is OceanBase Database
      • Overview
      • Concepts
      • Compatibility with Oracle
        • Overview
        • SQL data types
        • Built-in functions
        • System views
      • Compatibility with MySQL
      • Management tools
      • Version rules
      • Limitations
    • Deploy OceanBase Database
      • Deployment introduction
      • Deployment process
      • Preparations
        • Prepare servers
        • Server configurations
        • Prepare installation packages
      • HA solution for OceanBase clusters
      • Deploy through the GUI
        • Configure the deployment environment
          • Deploy OAT
          • Verify deployment
          • Configure the clock source
          • Upload installation packages
          • Add a server
          • Initialize a server
        • Deploy OCP
          • Overview
          • Add an OCP configuration file
          • Deploy OCP
          • Verify deployment
        • Deploy the OceanBase cluster
          • (Optional) Configure DNS
          • Add an OBServer to the OCP resource pool
          • Create an OceanBase cluster
        • Deploy ODP
          • Overview
          • Deploy ODP
        • Create an OceanBase tenant
          • View resources available for a business tenant
          • Create a tenant
          • Verify deployment
        • Deploy OMS
          • Overview
          • Add an OMS configuration file
          • Deploy OMS
          • Verify deployment
        • Deploy ODC
          • Overview
          • Add an ODC configuration file
          • Deploy ODC
          • Verify deployment
      • Deploy through the CLI
        • Configure the 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
          • Start deployment
          • Verify deployment
        • Deploy the OceanBase cluster
          • Deploy a single-replica OceanBase cluster
          • Deploy a three-replica OceanBase cluster
        • Deploy ODP
          • Deploy ODP by using the CLI
        • Create an OceanBase tenant
          • View resources available for a business tenant
          • Create a tenant
          • Verify deployment
        • Deploy OMS
          • Overview
          • Modify the configuration file
          • Start deployment
          • Verify deployment
        • Deploy ODC
          • Overview
          • Modify the configuration file
          • Start deployment
          • Verify deployment
    • Data migration
      • Overview
      • Migrate data by using OMS
        • Migrate data by using OMS
        • Migrate data from a MySQL database to a MySQL tenant of OceanBase Database by using OMS
        • Migrate data from a MySQL tenant of OceanBase Database to a MySQL database by using OMS
        • Migrate data from an Oracle database to a MySQL tenant of OceanBase Database by using OMS
        • Migrate data from an Oracle database to an Oracle tenant of OceanBase Database by using OMS
        • Migrate data from an Oracle tenant of OceanBase Database to an Oracle database by using OMS
        • Migrate data from a DB2 LUW database to a MySQL tenant of OceanBase Database by using OMS
        • Migrate data from a DB2 LUW database to an Oracle tenant of OceanBase Database by using OMS
        • Migrate data from a MySQL tenant of OceanBase Database to a DB2 LUW database by using OMS
        • Migrate data from an Oracle tenant of OceanBase Database to a DB2 LUW database by using OMS
        • Migrate data from a TiDB database to a MySQL tenant of OceanBase Database by using OMS
        • Migrate data between MySQL tenants of OceanBase Database by using OMS
        • Use OMS to migrate data between Oracle tenants of OceanBase Database
      • Migrate data by using OBLOADER & OBDUMPER
        • Import data by using OBLOADER
        • Export data by using OBDUMPER
      • Migrate data by using SQL scripts
      • Migrate data by using mysqldump
      • Migrate data by using DataX
      • Migrate data by using the OUTFILE statement
    • Database connections and routing
      • Overview
      • Manage ODP
        • ODP management overview
        • Manage ODP clusters
          • Create an ODP cluster
          • Manage ODP cluster parameters
          • Delete an ODP cluster
          • Upgrade all ODPs in an ODP cluster
          • Restart all ODPs in an ODP cluster
          • Manage OceanBase clusters connected to an ODP cluster
          • Monitor ODP cluster performance
        • Manage ODP
          • Add an ODP
          • Start an ODP
          • Refresh ODP configurations
          • Stop an ODP
          • Restart an ODP
          • Delete an ODP
          • Upgrade an ODP
        • ODP startup parameters
      • Database connections
        • Connect to OceanBase Database from OBClient
        • Connect to OceanBase Database from a MySQL client
        • Connect to OceanBase Database through ODC
      • Physical connections
      • Logical connections
        • Query all sessions
        • Query the details of a session
        • Query the metrics of a session
        • Query session variables
        • Terminate a session
      • Driver management
        • Overview
        • OB-ODBC
        • OBCI
        • OceanBase Connector/C
        • OceanBase Connector/J
      • Routing management
        • Table-based routing of ODP
        • SQL parser
        • LDC-based routing
        • ODP routing strategies
          • Read/Write splitting
          • Follower-first read
          • Blocklist mechanism
    • Cluster and multi-tenant management
      • Manage clusters
        • Create a cluster
        • Manage clusters
        • Manage cluster parameters
          • Overview
          • Query cluster-level parameters
          • Modify cluster-level parameters
        • Manage zones in a cluster
          • Overview of zone management
          • Add or delete a zone
          • Add or delete an encrypted zone
          • Start or stop a zone
          • Modify the configurations of a zone
          • Restart a zone
          • Isolate a failed zone
        • Manage OBServer nodes
          • Add an OBServer node
          • View OBServer node status
          • Stop or start an OBServer node
          • Restart an OBServer node
          • Isolate a failed OBServer node
          • Delete an OBServer node
          • Replace an OBServer node
        • View cluster information
        • Overview of cluster tenant management
        • Monitor cluster performance
        • Cluster performance report
        • View resource information of a cluster
      • Configuration management
        • Overview of configuration management
        • Set parameters
        • Set variables
        • Configure general parameters
        • Examples of parameter configuration in a production environment
        • Recommended minimum resource configuration
      • Resource management
        • Overview
        • Create a resource unit
        • Manage resource units
          • View configurations of a resource unit
          • Modify configurations of a resource unit
          • Drop a resource unit
        • Create a resource pool
        • Manage 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
        • Query resource allocation
      • Tenant management
        • Overview of tenant management
        • Create a tenant
        • Copy a tenant
        • Manage tenants
          • Query tenant information
          • Modify a tenant
          • Rename a tenant
          • Drop a tenant
        • Manage users and privileges
          • Users and privileges
            • Overview
            • sys tenant
            • Oracle tenants
            • MySQL tenants
          • Oracle mode
            • Create a user
            • Set password complexity
            • Logon failure handling policies
            • View user privileges
            • Modify user privileges
            • Change the password of a user
            • Lock or 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
            • 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
        • Manage tenant parameters
          • Overview
          • Query tenant-level parameters
          • Modify tenant-level parameters
        • Manage tenant variables
      • Manage data storage
        • Minor compaction management
          • Overview
          • Automatically trigger a minor compaction
          • Manually initiate a minor compaction
          • View minor compaction information
          • Modify minor compaction settings
        • Major compaction management
          • Overview
          • Automatically trigger a major compaction
          • Configure scheduled major compactions
          • Manually initiate a major compaction
          • Manually control a major compaction
          • View major compaction information
            • View the major compaction process
            • View disk usage during a major compaction
          • Major compaction timeouts and errors
          • 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
        • Query memory usage information
        • FAQ
      • Manage processes
        • Overview
        • Multi-tenant threads of OceanBase Database
        • FAQ about multi-tenant threads
        • Background threads of OceanBase Database
      • Manage logs
        • Log overview
        • Log generation levels
          • Log generation levels
          • Set a log generation level
        • Log file size and quantity management
          • Use the log file splitting feature
          • Control the number of log files
        • Query logs
          • Query the log of an SQL request
          • Query the log of a previous SQL request by using the SQL Trace feature
    • Database object management
      • Oracle mode
        • Manage tables
          • Overview
          • Create a table
          • Define column constraints
          • Query table definition
          • Modify a table
          • Empty a table
          • Drop a table
        • Manage table groups
          • Overview
          • Statements for table group management
        • Manage indexes
          • Overview
          • Create indexes
          • Query indexes
          • Drop an index
        • Manage views
        • Manage sequences
        • Manage synonyms
        • Manage triggers
          • Overview
          • Create a DML trigger
          • Create an INSTEAD OF trigger
          • Modify and drop a trigger
          • Disable or enable a trigger
          • Query trigger information
        • Manage directory objects
        • Manage DBLinks
      • 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 table definition
          • Modify a table
          • Empty a table
          • Drop a table
        • Manage table groups
          • Overview
          • Statements for table group management
        • Manage indexes
          • Overview
          • Create indexes
          • Query indexes
          • Drop an index
        • Manage views
        • Manage sequences
        • Manage triggers
          • Overview
          • Create a DML trigger
          • Query trigger information
          • Drop a trigger
    • Distributed storage management
      • Overview of data distribution
      • Manage partitions
        • Oracle mode
          • Overview of partitions
          • Create a partitioned table
          • Manage a partitioned table
          • Create a subpartitioned table
          • Manage a subpartitioned table
          • Partition pruning
          • Query data in specified partitions
          • Create an index for a partitioned table
            • Overview of indexes
            • Local indexes
            • Global indexes
          • Create a partitioned table group
          • Add a partitioned table to a table group
          • Manage a partitioned table group
          • Create a subpartitioned table group
          • Add a subpartitioned table to a table group
          • Manage a subpartitioned table group
        • MySQL mode
          • Overview of partitions
          • Create a partitioned table
          • Manage a partitioned table
          • Create a subpartitioned table
          • Manage a subpartitioned table
          • Partition pruning
          • Query data in specified partitions
          • Create an index for a partitioned table
            • Overview of indexes
            • Local indexes
            • Global indexes
          • Create a partitioned table group
          • Add a partitioned table to a table group
          • Manage a partitioned table group
          • Create a subpartitioned table group
          • Add a subpartitioned table to a table group
          • Manage a subpartitioned table group
      • Manage replicas
        • Overview
        • Create a replica
        • Edit a tenant replica in a zone
        • Delete a tenant replica from a zone
      • Manage locality
        • Overview
        • Modify table locality
        • Modify tenant locality
      • Load balancing
        • Overview of load balancing
        • Manage automatic load balancing
        • Manually manage load balancing
          • Manually migrate and switch partition replicas
          • Set load balancing by using table groups
          • Set load balancing by primary zone
    • Performance tuning
      • Overview
      • Performance tools
        • System tools
          • General tool Top
          • CPU tools
          • Memory tools
          • Disk I/O tools
          • Network tools
        • Internal tables
          • gv$sysstat
          • gv$sql_audit
          • __all_virtual_trans_stat
        • Logs
          • slow trans
          • tenant dump
          • Slow queries
        • OCP
          • Monitoring and alerts
          • SQL diagnostics
          • Performance report
          • ASH report
          • Transaction diagnostics
          • Deadlock detection
      • System tuning
        • OS parameter tuning
        • Database parameter tuning
          • CPU parameters
          • I/O parameters
          • Memory-related parameters
          • Network transmission parameters
        • ODP parameter tuning
          • CPU parameters
          • Network transmission parameters
          • Route parameters on nodes
      • Business model tuning
        • Load balancing
        • SQL diagnostics
        • Distributed transactions
      • SQL tuning guide
        • Execution process of SQL queries
        • SQL execution plan
          • Introduction to SQL execution plans
          • Execution plan operators
            • TABLE SCAN
            • TABLE LOOKUP
            • 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 tuning
          • Overview
          • General procedure of SQL tuning
          • Monitor the SQL execution performance
            • gv$sql_audit
            • SQL Trace
            • Plan cache views
            • Examples of SQL performance analysis
              • 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 collection methods
              • Overview
              • Histograms
              • Manual statistics collection
              • Automatic statistics collection
            • Statistics management
              • Overview
              • Deletion
              • Setting
              • Import and export
              • Locking and unlocking
              • History management
              • Statistics preference 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 algorithms
              • Overview
              • Join algorithms
              • Join order
          • Manage execution plans
            • Optimizer hints
            • Plan binding
            • SQL plan management
        • Glossary
        • General issues in SQL tuning
      • Performance diagnostics
        • Monitor and diagnose the cluster performance
        • Tenant performance diagnostics
        • Monitor ODP performance
        • Monitor host performance
      • Case analysis
      • Performance test (MySQL mode)
        • Sysbench OLTP
        • BenchMarkSQL
        • TPC-H
      • Performance test (Oracle mode)
        • BenchMarkSQL
        • TPC-H
    • Data high availability
      • Flashback
        • Objects supported by the recycle bin
        • Recycle bin for databases, tables, and indexes
        • Recycle bin for tenants
        • Flash back objects from the recycle bin
        • Restore point
        • Use a flashback query to query data of multiple versions
      • Manage physical backup and restore
        • Introduction to physical backup and restore
        • Deploy NFS
        • Data backup for a cluster
          • Perform a backup by using commands
            • Preparations for backup
            • Initiate a log backup
            • Initiate a data backup
          • Perform a backup for a cluster in OCP
          • Backup of a specified path for a tenant
          • Enable backup for clusters based on log splitting
          • Check the backup progress
          • Stop a backup
          • Automatically clear backup data for clusters
          • Manually clear backup data for clusters
          • Stop backup data clearing for clusters
        • Back up data backups
          • Overview
          • Perform a secondary backup for a cluster by using commands
            • Preparations for secondary backup
            • Initiate a secondary log backup
            • Initiate a secondary data backup
          • Perform a secondary backup for clusters in OCP
          • Perform a secondary backup for tenants
          • View the progress of secondary data backup tasks
          • Stop a secondary backup
          • Automatically clear secondary backup data for clusters
          • Manually clear secondary backup data
          • Stop clearing secondary backup data
        • Update access_id and access_key for OSS in the backup destination during backup
        • Verify data
          • Overview
          • Verify backup data in a cluster
          • Verify backup data in a specified path in a cluster
          • Verify backup data in a specified path across clusters
          • View data verification results
        • Restore data
          • Preparations for restore
          • Perform full restore
          • Restore a specified table
          • Restore secondary backup data
          • View the restore progress and results
          • Cancel restore
        • Routine maintenance
          • Query backup parameters
          • Force stop all backup-related tasks
          • Set backup_zone
      • Primary/Standby cluster management
        • Overview
        • Considerations and limitations
        • Deploy the primary and standby clusters
          • Configuration requirements
          • Deploy a primary cluster
          • Check the configurations of the primary cluster
          • Deploy standby clusters in OCP
        • Tenant management
        • Log transfer service
          • Overview
          • Set the log transfer parameter for a standby cluster
          • Configure log compression
        • Protection mode
          • Overview
          • Protection modes and protection levels
          • Switch to another protection mode
        • Role switching
          • Preparations for a switchover
          • Perform a switchover in a command-line tool
          • Perform a switchover in OCP
          • Perform a failover in a command-line tool
            • Preparations for a failover
            • Perform a lossless failover
            • Connect the original primary cluster after a lossless failover
            • Connect other standby clusters after a lossless failover
            • Perform a lossy failover
            • Restore other clusters after a lossy failover
            • Correct the data after a failover
          • Perform a failover in OCP
        • Standby cluster read service
        • Delete a standby cluster
        • Standby cluster disconnection
          • Preparations for disconnection
          • Disconnect a standby cluster
        • Troubleshooting
          • Failover errors
          • Switchover errors
          • Protection mode switching errors
          • Tenant creation for a standby cluster got stuck
          • Data synchronization enablement errors
          • Standby cluster disconnection errors
    • Database security
      • Data storage encryption
        • Overview
        • MySQL mode
          • Enable storage encryption for a new table
          • Enable storage encryption for an existing table
          • Decrypt a table
        • Oracle mode
          • Enable storage encryption for a new table
          • Enable storage encryption for an existing table
          • Decrypt a table
      • Data transmission encryption
        • Overview
        • Transmission encryption of OBServer nodes
        • Transmission encryption of ODPs
      • RPC connection authentication
      • Set row-level access control
      • Audit databases
        • Overview
        • Enable audit
        • Audit user logon operations
        • Audit user operations
        • Audit specified database objects
    • O&M management
      • O&M overview
        • Overview
        • Monitoring
          • View status monitoring information
          • View performance monitoring information
          • Perform SQL diagnostics
        • Alerts
          • Alert configuration
          • Manage alert subscriptions
          • Perform alert management
          • Manage alert items
      • Database upgrade
        • Overview
        • Perform an upgrade
        • Perform a major compaction
        • Check upgrade results
      • Scale-in and scale-out
        • Overview
        • Cluster-level scale-in and scale-out
          • Scale-out
            • Add zones to a cluster
            • Add OBServer nodes to zones
          • Scale-in
            • Delete zones from a cluster
            • Delete OBServer nodes from zones
        • Scale-in and scale-out of tenant resources
          • Modify unit_config
          • Modify UNIT_NUM
      • Resource isolation
        • cgroup-based resource isolation
          • Enable cgroups-based CPU isolation between tenant worker threads
          • Clear cgroup configurations
      • Routine inspections
        • Overview
        • Check the cluster status
        • Check cluster parameters
        • Check the host status
        • Check tenant resource usage
        • Check cluster resource usage
        • Check the OBServer node status
        • Check the NTP offset
        • Check data backup
        • Check the ODP connection status
      • Troubleshooting
        • Overview
        • Issue analysis
          • View alerts
          • View logs
          • View error codes
          • Query views
        • Troubleshoot OBServer node restart failures
        • Troubleshoot unexpected exit of an observer process
        • Troubleshoot bootstrap failures
        • Troubleshoot database connection issues
        • Troubleshoot clock synchronization issues
        • Troubleshoot the absence of a leader
        • Troubleshoot replica migration issues
        • Troubleshoot exhausted tenant MemStore memory
        • Tenant memory overrun
        • Troubleshoot major compaction exceptions
        • Overloaded OBServer nodes
        • Troubleshoot row lock contention
        • Troubleshoot transaction errors
      • Emergency response
        • Overview
        • Analysis, diagnosis, and decision-making process
        • Common emergency response
          • Exceptions caused by hardware
            • Node failures
            • Network jitter
            • ODP faults
            • Other exceptions related to hardware and network
          • Exceptions caused by capacity changes
            • Exceptions of SQL queries
            • High disk I/O on an OBServer node
            • Overloaded NIC on an OBServer node
            • Full occupation of tenant memory
            • Full usage of ODP threads
            • Full usage of OBServer clog disk
            • Full usage of the OBServer data disk
            • Accumulated request queue of a tenant
          • Other cluster exceptions
            • Blocked tenant minor compaction
            • Blocked cluster major compaction
            • sys tenant or RootService exceptions
            • Insufficiency or leakage of system memory
            • Slow query of the queuing table
    • System references
      • System parameters
        • Overview
        • Summary of system parameters
        • Cluster-level parameters
          • all_cluster_list
          • auto_broadcast_location_cache_rate_limit
          • auto_delete_expired_backup
          • auto_leader_switch_interval
          • auto_refresh_location_cache_rate_limit
          • autoinc_cache_refresh_interval
          • backup_backup_archive_log_batch_count
          • backup_backup_archivelog_retry_interval
          • backup_backup_dest
          • backup_backupset_batch_count
          • backup_backup_dest_option
          • backup_backupset_retry_interval
          • backup_concurrency
          • backup_dest
          • backup_dest_option
          • backup_log_archive_option
          • backup_net_limit
          • backup_recovery_window
          • backup_region
          • backup_zone
          • balance_blacklist_failure_threshold
          • balance_blacklist_retry_interval
          • balancer_emergency_percentage
          • balancer_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_cache_priority
          • clog_disk_usage_limit_percentage
          • clog_disk_utilization_threshold
          • clog_expire_days
          • clog_sync_time_warn_threshold
          • clog_transport_compress_all
          • clog_transport_compress_func
          • cluster
          • cluster_id
          • config_additional_dir
          • cpu_count
          • cpu_quota_concurrency
          • cpu_reserved
          • 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_row_format
          • default_transport_compress_func
          • devname
          • disk_io_thread_count
          • dtl_buffer_size
          • election_blacklist_interval
          • election_cpu_quota
          • enable_async_syslog
          • enable_auto_leader_switch
          • enable_auto_refresh_location_cache
          • enable_ddl
          • enable_election_group
          • enable_global_freeze_trigger
          • enable_log_archive
          • enable_major_freeze
          • enable_manual_merge
          • enable_merge_by_turn
          • 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_rootservice_standalone
          • enable_separate_sys_clog
          • enable_smooth_leader_switch
          • enable_sql_audit
          • enable_sql_operator_dump
          • enable_sys_unit_standalone
          • enable_syslog_recycle
          • enable_syslog_wf
          • enable_tcp_keepalive
          • enable_unit_balance_resource_weight
          • enable_upgrade_mode
          • fast_recovery_concurrency
          • flush_log_at_trx_commit
          • force_refresh_location_cache_interval
          • force_refresh_location_cache_threshold
          • freeze_trigger_percentage
          • fuse_row_cache_priority
          • gc_wait_archive
          • get_leader_candidate_rpc_timeout
          • global_index_build_single_replica_timeout
          • global_major_freeze_residual_memory
          • global_write_halt_residual_memory
          • high_priority_net_thread_count
          • ignore_replay_checksum_error
          • ignore_replica_checksum_error
          • ilog_index_expire_time
          • index_cache_priority
          • index_clog_cache_priority
          • index_info_block_cache_priority
          • internal_sql_execute_timeout
          • large_query_threshold
          • large_query_worker_percentage
          • leak_mod_to_check
          • lease_time
          • location_cache_cpu_quota
          • location_cache_expire_time
          • location_cache_priority
          • location_cache_refresh_min_interval
          • location_cache_refresh_rpc_timeout
          • location_cache_refresh_sql_timeout
          • location_fetch_concurrency
          • location_refresh_thread_count
          • log_archive_batch_buffer_limit
          • log_archive_checkpoint_interval
          • log_archive_concurrency
          • log_restore_concurrency
          • major_compact_trigger
          • major_freeze_duty_time
          • 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_check_interval
          • merger_completion_percentage
          • merger_switch_leader_duration_time
          • merger_warm_up_duration_time
          • micro_block_merge_verify_level
          • migrate_concurrency
          • migration_disable_time
          • min_observer_version
          • minor_compact_trigger
          • minor_deferred_gc_time
          • minor_freeze_times
          • minor_merge_concurrency
          • minor_warm_up_duration_time
          • multiblock_read_gap_size
          • multiblock_read_size
          • mysql_port
          • net_thread_count
          • ob_event_history_recycle_interval
          • ob_ratelimit_stat_period
          • obconfig_url
          • ofs_list
          • partition_table_check_interval
          • partition_table_scan_batch_count
          • plan_cache_evict_interval
          • plan_cache_high_watermark
          • plan_cache_low_watermark
          • px_task_size
          • px_workers_per_cpu_quota
          • rebuild_replica_data_lag_threshold
          • recyclebin_object_expire_time
          • replica_safe_remove_time
          • resource_hard_limit
          • resource_soft_limit
          • restore_concurrency
          • rootservice_async_task_queue_size
          • rootservice_async_task_thread_count
          • rootservice_list
          • rootservice_memory_limit
          • rootservice_ready_check_interval
          • row_compaction_update_limit
          • row_purge_thread_count
          • rpc_port
          • rpc_timeout
          • schema_history_expire_time
          • schema_history_recycle_interval
          • server_balance_cpu_mem_tolerance_percent
          • server_balance_critical_disk_waterlevel
          • server_balance_disk_tolerance_percent
          • server_check_interval
          • server_cpu_quota_max
          • server_cpu_quota_min
          • server_data_copy_in_concurrency
          • server_data_copy_out_concurrency
          • server_permanent_offline_time
          • server_temporary_offline_time
          • sql_audit_memory_limit
          • sql_audit_queue_size
          • ssl_client_authentication
          • ssl_external_kms_info
          • stack_size
          • switchover_process_thread_count
          • sys_bkgd_io_high_percentage
          • sys_bkgd_io_low_percentage
          • sys_bkgd_migration_change_member_list_timeout
          • sys_bkgd_migration_retry_num
          • sys_bkgd_net_percentage
          • sys_cpu_limit_trigger
          • syslog_io_bandwidth_limit
          • syslog_level
          • system_cpu_quota
          • system_memory
          • system_trace_level
          • tableapi_transport_compress_func
          • tablet_size
          • tcp_keepcnt
          • tcp_keepidle
          • tcp_keepintvl
          • tenant_cpu_variation_per_server
          • tenant_groups
          • tenant_task_queue_size
          • token_reserved_percentage
          • trace_log_sampling_interval
          • trace_log_slow_query_watermark
          • trx_2pc_retry_interval
          • trx_force_kill_threshold
          • trx_try_wait_lock_timeout
          • unit_balance_resource_weight
          • use_large_pages
          • user_block_cache_priority
          • user_iort_up_percentage
          • user_row_cache_priority
          • user_tab_col_stat_cache_priority
          • virtual_table_location_cache_expire_time
          • wait_leader_batch_count
          • weak_read_version_refresh_interval
          • workers_per_cpu_quota
          • zone
          • zone_merge_concurrency
          • zone_merge_order
          • zone_merge_timeout
          • ob_esi_rpc_port
          • enable_ob_esi_process
          • ob_esi_session_timeout
          • ob_esi_io_concurrency
          • ob_esi_memory_limit
          • ob_esi_syslog_level
          • ob_esi_max_syslog_file_count
          • sql_login_thread_count
          • diag_syslog_per_error_limit
          • enable_cgroup
          • rpc_client_authentication_method
          • rpc_server_authentication_method
          • max_trx_part_size
        • Tenant-level parameters
          • audit_sys_operations
          • audit_trail
          • clog_max_unconfirmed_log_count
          • clog_persistence_compress_func
          • connection_control_failed_connections_threshold
          • connection_control_min_connection_delay
          • connection_control_max_connection_delay
          • default_progressive_merge_num
          • enable_clog_persistence_compress
          • enable_early_lock_release
          • enable_monotonic_weak_read
          • external_kms_info
          • enable_sql_extension
          • job_queue_processes
          • max_stale_time_for_weak_consistency
          • ob_enable_batched_multi_statement
          • ob_proxy_readonly_transaction_routing_policy
          • ob_ssl_invited_common_names
          • open_cursors
          • plsql_ccflags
          • plsql_code_type
          • plsql_debug
          • plsql_optimize_level
          • plsql_v2_compatibility
          • plsql_warnings
          • sql_work_area
          • tde_method
          • writing_throttling_maximum_duration
          • writing_throttling_trigger_percentage
          • workarea_size_policy
          • ob_query_switch_leader_retry_timeout
      • System variables (MySQL mode)
        • Overview
        • System variable summary
        • auto_increment_cache_size
        • auto_increment_increment
        • auto_increment_offset
        • autocommit
        • binlog_row_image
        • block_encryption_mode
        • character_set_client
        • character_set_connection
        • character_set_database
        • character_set_filesystem
        • character_set_results
        • character_set_server
        • character_set_system
        • collation_connection
        • collation_database
        • collation_server
        • connect_timeout
        • datadir
        • debug_sync
        • default_password_lifetime
        • div_precision_increment
        • error_on_overlap_time
        • explicit_defaults_for_timestamp
        • foreign_key_checks
        • group_concat_max_len
        • identity
        • init_connect
        • interactive_timeout
        • is_result_accurate
        • last_insert_id
        • license
        • lower_case_table_names
        • max_allowed_packet
        • max_sp_recursion_depth
        • max_user_connections
        • net_buffer_length
        • net_read_timeout
        • net_write_timeout
        • nls_calendar
        • nls_characterset
        • nls_comp
        • nls_currency
        • nls_date_format
        • nls_date_language
        • nls_dual_currency
        • nls_iso_currency
        • nls_language
        • nls_length_semantics
        • nls_nchar_characterset
        • nls_nchar_conv_excp
        • nls_numeric_characters
        • nls_sort
        • nls_territory
        • nls_timestamp_format
        • nls_timestamp_tz_format
        • ob_bnl_join_cache_size
        • ob_capability_flag
        • ob_compatibility_mode
        • ob_create_table_strict_mode
        • ob_default_replica_num
        • ob_early_lock_release
        • ob_enable_aggregation_pushdown
        • ob_enable_blk_nestedloop_join
        • ob_enable_hash_group_by
        • ob_enable_index_direct_select
        • ob_enable_jit
        • ob_enable_plan_cache
        • ob_enable_sql_audit
        • ob_enable_trace_log
        • ob_enable_transformation
        • ob_enable_transmission_checksum
        • ob_enable_truncate_flashback
        • ob_global_debug_sync
        • ob_last_schema_version
        • ob_log_level
        • ob_max_parallel_degree
        • ob_org_cluster_id
        • ob_pl_block_timeout
        • ob_plan_cache_evict_high_percentage
        • ob_plan_cache_evict_low_percentage
        • ob_plan_cache_percentage
        • ob_proxy_global_variables_version
        • ob_proxy_partition_hit
        • ob_proxy_set_trx_executed
        • ob_query_timeout
        • ob_read_consistency
        • ob_reserved_meta_memory_percentage
        • ob_route_policy
        • ob_safe_weak_read_snapshot
        • ob_sql_audit_percentage
        • ob_sql_work_area_percentage
        • ob_stmt_parallel_degree
        • ob_tcp_invited_nodes
        • ob_temp_tablespace_size_percentage
        • ob_timestamp_service
        • ob_trace_info
        • ob_trx_idle_timeout
        • ob_trx_lock_timeout
        • ob_trx_timeout
        • optimizer_capture_sql_plan_baselines
        • optimizer_use_sql_plan_baselines
        • parallel_max_servers
        • parallel_servers_target
        • performance_schema
        • plugin_dir
        • query_cache_size
        • query_cache_type
        • read_only
        • recyclebin
        • resource_manager_plan
        • secure_file_priv
        • sql_auto_is_null
        • sql_mode
        • sql_quote_show_create
        • sql_safe_updates
        • sql_select_limit
        • sql_throttle_current_priority
        • sql_throttle_network
        • sql_throttle_priority
        • sql_throttle_rt
        • sql_warnings
        • system_time_zone
        • time_zone
        • timestamp
        • tracefile_identifier
        • transaction_isolation
        • transaction_read_only
        • tx_isolation
        • tx_read_only
        • undo_retention
        • version
        • version_comment
        • wait_timeout
        • validate_password_check_user_name
        • validate_password_length
        • validate_password_mixed_case_count
        • validate_password_number_count
        • validate_password_policy
        • validate_password_special_char_count
        • server_uuid
        • binlog_format
        • binlog_checksum
        • binlog_rows_query_log_events
        • log_bin
        • server_id
        • default_storage_engine
        • max_connections
        • event_scheduler
        • cte_max_recursion_depth
        • regexp_stack_limit
        • regexp_time_limit
      • System variables (Oracle mode)
        • Overview
        • System variable summary
        • auto_increment_cache_size
        • auto_increment_increment
        • auto_increment_offset
        • autocommit
        • binlog_row_image
        • block_encryption_mode
        • character_set_client
        • character_set_connection
        • character_set_database
        • character_set_filesystem
        • character_set_results
        • character_set_server
        • character_set_system
        • collation_connection
        • collation_database
        • collation_server
        • connect_timeout
        • datadir
        • debug_sync
        • default_password_lifetime
        • div_precision_increment
        • error_on_overlap_time
        • explicit_defaults_for_timestamp
        • foreign_key_checks
        • group_concat_max_len
        • identity
        • init_connect
        • interactive_timeout
        • is_result_accurate
        • last_insert_id
        • license
        • lower_case_table_names
        • max_allowed_packet
        • max_sp_recursion_depth
        • max_user_connections
        • net_buffer_length
        • net_read_timeout
        • net_write_timeout
        • nls_calendar
        • nls_characterset
        • nls_comp
        • nls_currency
        • nls_date_format
        • nls_date_language
        • nls_dual_currency
        • nls_iso_currency
        • nls_language
        • nls_length_semantics
        • nls_nchar_characterset
        • nls_nchar_conv_excp
        • nls_numeric_characters
        • nls_sort
        • nls_territory
        • nls_timestamp_format
        • nls_timestamp_tz_format
        • ob_bnl_join_cache_size
        • ob_capability_flag
        • ob_compatibility_mode
        • ob_create_table_strict_mode
        • ob_default_replica_num
        • ob_early_lock_release
        • ob_enable_aggregation_pushdown
        • ob_enable_blk_nestedloop_join
        • ob_enable_hash_group_by
        • ob_enable_index_direct_select
        • ob_enable_jit
        • ob_enable_plan_cache
        • ob_enable_sql_audit
        • ob_enable_trace_log
        • ob_enable_transformation
        • ob_enable_transmission_checksum
        • ob_enable_truncate_flashback
        • ob_global_debug_sync
        • ob_last_schema_version
        • ob_log_level
        • ob_max_parallel_degree
        • ob_org_cluster_id
        • ob_pl_block_timeout
        • ob_plan_cache_evict_high_percentage
        • ob_plan_cache_evict_low_percentage
        • ob_plan_cache_percentage
        • ob_proxy_global_variables_version
        • ob_proxy_partition_hit
        • ob_proxy_set_trx_executed
        • ob_query_timeout
        • ob_read_consistency
        • ob_reserved_meta_memory_percentage
        • ob_route_policy
        • ob_safe_weak_read_snapshot
        • ob_sql_audit_percentage
        • ob_sql_work_area_percentage
        • ob_stmt_parallel_degree
        • ob_tcp_invited_nodes
        • ob_temp_tablespace_size_percentage
        • ob_timestamp_service
        • ob_trace_info
        • ob_trx_idle_timeout
        • ob_trx_lock_timeout
        • ob_trx_timeout
        • optimizer_capture_sql_plan_baselines
        • optimizer_use_sql_plan_baselines
        • parallel_max_servers
        • parallel_servers_target
        • performance_schema
        • plugin_dir
        • query_cache_size
        • query_cache_type
        • read_only
        • recyclebin
        • resource_manager_plan
        • secure_file_priv
        • sql_auto_is_null
        • sql_quote_show_create
        • sql_select_limit
        • sql_throttle_current_priority
        • sql_throttle_network
        • sql_throttle_priority
        • sql_throttle_rt
        • sql_warnings
        • system_time_zone
        • sql_safe_updates
        • time_zone
        • timestamp
        • tracefile_identifier
        • transaction_isolation
        • transaction_read_only
        • tx_isolation
        • tx_read_only
        • undo_retention
        • version
        • version_comment
        • wait_timeout
        • validate_password_check_user_name
        • validate_password_length
        • validate_password_mixed_case_count
        • validate_password_number_count
        • validate_password_policy
        • validate_password_special_char_count
        • event_scheduler
      • System views (MySQL mode)
        • Overview
        • Dictionary views
          • Overview
          • mysql.help_topic
          • mysql.help_category
          • mysql.help_keyword
          • mysql.help_relation
          • mysql.db
          • mysql.proc
          • mysql.time_zone
          • mysql.time_zone_name
          • mysql.time_zone_transition
          • mysql.time_zone_transition_type
          • mysql.user
          • information_schema.CHARACTER_SETS
          • information_schema.CHECK_CONSTRAINTS
          • information_schema.COLLATIONS
          • information_schema.COLLATION_CHARACTER_SET_APPLICABILITY
          • information_schema.COLUMNS
          • information_schema.DBA_OUTLINES
          • information_schema.ENGINES
          • information_schema.GLOBAL_STATUS
          • information_schema.GLOBAL_VARIABLES
          • information_schema.KEY_COLUMN_USAGE
          • information_schema.PARAMETERS
          • information_schema.PARTITIONS
          • information_schema.PROCESSLIST
          • information_schema.REFERENTIAL_CONSTRAINTS
          • information_schema.ROUTINES
          • information_schema.SCHEMATA
          • information_schema.SCHEMA_PRIVILEGES
          • information_schema.SESSION_STATUS
          • information_schema.SESSION_VARIABLES
          • information_schema.STATISTICS
          • information_schema.TABLES
          • information_schema.TABLE_CONSTRAINTS
          • information_schema.TABLE_PRIVILEGES
          • information_schema.USER_PRIVILEGES
          • information_schema.USER_RECYCLEBIN
          • information_schema.VIEWS
          • information_schema.CONNECTION_CONTROL_FAILED_LOGIN_ATTEMPTS
          • oceanbase.CDB_OB_BACKUP_ARCHIVELOG_SUMMARY
          • oceanbase.CDB_OB_BACKUP_JOB_DETAILS
          • oceanbase.CDB_OB_BACKUP_SET_DETAILS
          • oceanbase.CDB_OB_BACKUP_PROGRESS
          • oceanbase.CDB_OB_BACKUP_SET_EXPIRED
          • oceanbase.CDB_OB_BACKUP_ARCHIVELOG_PROGRESS
          • oceanbase.CDB_OB_BACKUP_CLEAN_HISTORY
          • oceanbase.CDB_OB_BACKUP_TASK_CLEAN_HISTORY
          • oceanbase.CDB_OB_RESTORE_PROGRESS
          • oceanbase.CDB_OB_RESTORE_HISTORY
          • oceanbase.CDB_CKPT_HISTORY
          • oceanbase.CDB_OB_BACKUP_VALIDATION_JOB
          • oceanbase.CDB_OB_BACKUP_VALIDATION_JOB_HISTORY
          • oceanbase.CDB_OB_TENANT_BACKUP_VALIDATION_TASK
          • oceanbase.CDB_OB_BACKUP_VALIDATION_TASK_HISTORY
          • oceanbase.CDB_OB_BACKUP_BACKUP_ARCHIVELOG_SUMMARY
          • oceanbase.CDB_OB_BACKUP_BACKUPSET_TASK_HISTORY
          • oceanbase.CDB_OB_BACKUP_BACKUPSET_TASK
          • oceanbase.CDB_OB_BACKUP_BACKUPSET_JOB_HISTORY
          • oceanbase.CDB_OB_BACKUP_BACKUPSET_JOB
          • oceanbase.CDB_OB_BACKUP_SET_OBSOLETE
          • oceanbase.CDB_OB_BACKUP_ARCHIVELOG
          • oceanbase.CDB_OB_BACKUP_BACKUP_ARCHIVELOG
          • oceanbase.CDB_OB_BACKUP_BACKUPPIECE_JOB
          • oceanbase.CDB_OB_BACKUP_BACKUPPIECE_JOB_HISTORY
          • oceanbase.CDB_OB_BACKUP_BACKUPPIECE_TASK
          • oceanbase.CDB_OB_BACKUP_BACKUPPIECE_TASK_HISTORY
          • oceanbase.CDB_OB_BACKUP_PIECE_FILES
          • oceanbase.CDB_OB_BACKUP_SET_FILES
          • information_schema.ST_GEOMETRY_COLUMNS
          • information_schema.ST_SPATIAL_REFERENCE_SYSTEMS
          • oceanbase.DBA_RSRC_PLANS
          • oceanbase.DBA_RSRC_PLAN_DIRECTIVES
          • oceanbase.DBA_RSRC_GROUP_MAPPINGS
          • oceanbase.DBA_RSRC_CONSUMER_GROUPS
        • Performance views
          • Overview
          • gv$plan_cache_stat
          • gv$plan_cache_plan_stat
          • gv$session_event
          • gv$session_wait
          • gv$session_wait_history
          • gv$system_event
          • gv$sesstat
          • gv$sysstat
          • gv$sql_audit
          • gv$latch
          • gv$memory
          • gv$memstore
          • gv$memstore_info
          • gv$plan_cache_plan_explain
          • gv$obrpc_outgoing
          • gv$obrpc_incoming
          • gv$sql
          • gv$sql_plan_monitor
          • gv$outline
          • gv$concurrent_limit_sql
          • gv$sql_plan_statistics
          • gv$server_memstore
          • gv$unit_load_balance_event_history
          • gv$tenant
          • gv$database
          • gv$table
          • gv$unit
          • gv$partition
          • gv$lock_wait_stat
          • gv$session_longops
          • gv$tenant_memstore_allocator_info
          • gv$minor_merge_info
          • gv$tenant_px_worker_stat
          • gv$partition_audit
          • gv$ps_stat
          • gv$ps_item_info
          • gv$sql_workarea
          • gv$sql_workarea_histogram
          • gv$ob_sql_workarea_memory_info
          • gv$server_schema_info
          • gv$merge_info
          • gv$lock
          • gv$sstable
          • gv$ob_trans_table_status
          • gv$tenant_memory_info
          • v$statname
          • v$event_name
          • v$session_event
          • v$session_wait
          • v$session_wait_history
          • v$sesstat
          • v$sysstat
          • v$system_event
          • v$memory
          • v$memstore
          • v$memstore_info
          • v$plan_cache_stat
          • v$plan_cache_plan_stat
          • v$plan_cache_plan_explain
          • v$sql_audit
          • v$obrpc_outgoing
          • v$obrpc_incoming
          • v$sql
          • v$sql_plan_monitor
          • v$sql_plan_statistics
          • v$unit
          • v$partition
          • v$lock_wait_stat
          • v$session_longops
          • v$latch
          • v$tenant_memstore_allocator_info
          • v$tenant_px_worker_stat
          • v$partition_audit
          • v$ob_cluster
          • v$ob_standby_status
          • v$ob_cluster_stats
          • v$ob_cluster_event_history
          • v$ps_stat
          • v$ps_item_info
          • v$sql_workarea
          • v$sql_workarea_active
          • v$sql_workarea_histogram
          • v$ob_sql_workarea_memory_info
          • v$ob_timestamp_service
          • v$server_schema_info
          • v$merge_info
          • v$lock
          • v$sql_monitor_statname
          • v$restore_point
          • v$ob_cluster_failover_info
          • v$encrypted_tables
          • v$encrypted_tablespaces
          • v$sstable
          • v$ob_trans_table_status
          • v$ob_all_clusters
          • v$tenant_memory_info
          • GV$OB_DTL_INTERM_RESULT_MONITOR
          • V$OB_DTL_INTERM_RESULT_MONITOR
          • V$RSRC_PLAN
      • System views (Oracle mode)
        • Overview
        • Dictionary views
          • Overview
          • ALL_ALL_TABLES
          • ALL_ARGUMENTS
          • ALL_COL_COMMENTS
          • ALL_COLL_TYPES
          • ALL_COL_PRIVS
          • ALL_CONSTRAINTS
          • ALL_CONS_COLUMNS
          • ALL_DEF_AUDIT_OPTS
          • ALL_DEPENDENCIES
          • ALL_DIRECTORIES
          • ALL_ERRORS
          • ALL_INDEXES
          • ALL_IND_COLUMNS
          • ALL_IND_EXPRESSIONS
          • ALL_IND_PARTITIONS
          • ALL_IND_SUBPARTITIONS
          • ALL_METHOD_PARAMS
          • ALL_OBJECTS
          • ALL_PART_COL_STATISTICS
          • ALL_PART_HISTOGRAMS
          • ALL_PART_INDEXES
          • ALL_PART_KEY_COLUMNS
          • ALL_PART_TABLES
          • ALL_PROCEDURES
          • ALL_PROFILES
          • ALL_SCHEDULER_JOB_ARGS
          • ALL_SCHEDULER_PROGRAM_ARGS
          • ALL_SEQUENCES
          • ALL_SOURCE
          • ALL_SUBPART_COL_STATISTICS
          • ALL_SUBPART_HISTOGRAMS
          • ALL_SUBPARTITION_TEMPLATES
          • ALL_SUBPART_KEY_COLUMNS
          • ALL_SYNONYMS
          • ALL_TABLES
          • ALL_TAB_COL_STATISTICS
          • ALL_TAB_COLS
          • ALL_TAB_COLUMNS
          • ALL_TAB_COMMENTS
          • ALL_TAB_HISTOGRAMS
          • ALL_TAB_PARTITIONS
          • ALL_TAB_PRIVS
          • ALL_TAB_STATISTICS
          • ALL_TAB_STATS_HISTORY
          • ALL_TAB_SUBPARTITIONS
          • ALL_TRIGGERS
          • ALL_TYPES
          • ALL_TYPE_ATTRS
          • ALL_TYPE_METHODS
          • ALL_USERS
          • ALL_VIEWS
          • AUDIT_ACTIONS
          • DBA_ALL_TABLES
          • DBA_ARGUMENTS
          • DBA_AUDIT_EXISTS
          • DBA_AUDIT_OBJECT
          • DBA_AUDIT_SESSION
          • DBA_AUDIT_STATEMENT
          • DBA_AUDIT_TRAIL
          • DBA_COLL_TYPES
          • DBA_COL_COMMENTS
          • DBA_COL_PRIVS
          • DBA_CONSTRAINTS
          • DBA_CONS_COLUMNS
          • DBA_ERRORS
          • DBA_INDEXES
          • DBA_IND_COLUMNS
          • DBA_IND_EXPRESSIONS
          • DBA_IND_PARTITIONS
          • DBA_IND_SUBPARTITIONS
          • DBA_METHOD_PARAMS
          • DBA_OBJECTS
          • DBA_OBJ_AUDIT_OPTS
          • DBA_PART_INDEXES
          • DBA_PART_KEY_COLUMNS
          • DBA_PART_TABLES
          • DBA_PROCEDURES
          • DBA_PROFILES
          • DBA_ROLES
          • DBA_ROLE_PRIVS
          • DBA_SCHEDULER_JOB_ARGS
          • DBA_SCHEDULER_JOBS
          • DBA_SCHEDULER_PROGRAM
          • DBA_SCHEDULER_PROGRAM_ARGS
          • DBA_SEGMENTS
          • DBA_SEQUENCES
          • DBA_SOURCE
          • DBA_STMT_AUDIT_OPTS
          • DBA_SUBPARTITION_TEMPLATES
          • DBA_SUBPART_KEY_COLUMNS
          • DBA_SYNONYMS
          • DBA_SYS_PRIVS
          • DBA_TABLES
          • DBA_TABLESPACES
          • DBA_TAB_COLS
          • DBA_TAB_COLUMNS
          • DBA_TAB_COMMENTS
          • DBA_TAB_PARTITIONS
          • DBA_TAB_PRIVS
          • DBA_TAB_STATS_HISTORY
          • DBA_TAB_SUBPARTITIONS
          • DBA_TRIGGERS
          • DBA_TYPES
          • DBA_TYPE_ATTRS
          • DBA_TYPE_METHODS
          • DBA_USERS
          • DBA_VIEWS
          • DBA_JOBS_RUNNING
          • DBA_JOBS
          • DBA_RECYCLEBIN
          • DBA_DEPENDENCIES
          • DBA_RSRC_CONSUMER_GROUPS
          • DBA_RSRC_GROUP_MAPPINGS
          • DBA_RSRC_PLANS
          • DBA_RSRC_PLAN_DIRECTIVES
          • DBA_DIRECTORIES
          • DBA_PART_COL_STATISTICS
          • DBA_PART_HISTOGRAMS
          • DBA_SUBPART_COL_STATISTICS
          • DBA_SUBPART_HISTOGRAMS
          • DBA_TAB_COL_STATISTICS
          • DBA_TAB_HISTOGRAMS
          • DBA_TAB_STATISTICS
          • DICT
          • DICTIONARY
          • NLS_DATABASE_PARAMETERS
          • NLS_INSTANCE_PARAMETERS
          • NLS_SESSION_PARAMETERS
          • ROLE_ROLE_PRIVS
          • ROLE_SYS_PRIVS
          • ROLE_TAB_PRIVS
          • STMT_AUDIT_OPTION_MAP
          • TENANT_VIRTUAL_GLOBAL_VARIABLE
          • TENANT_VIRTUAL_SESSION_VARIABLE
          • USER_ALL_TABLES
          • USER_ARGUMENTS
          • USER_AUDIT_OBJECT
          • USER_AUDIT_SESSION
          • USER_AUDIT_STATEMENT
          • USER_AUDIT_TRAIL
          • USER_COLL_TYPES
          • USER_COL_COMMENTS
          • USER_COL_PRIVS
          • USER_CONSTRAINTS
          • USER_CONS_COLUMNS
          • USER_ERRORS
          • USER_INDEXES
          • USER_IND_COLUMNS
          • USER_IND_EXPRESSIONS
          • USER_IND_PARTITIONS
          • USER_IND_SUBPARTITIONS
          • USER_OBJECTS
          • USER_PART_INDEXES
          • USER_PART_KEY_COLUMNS
          • USER_PART_TABLES
          • USER_PROCEDURES
          • USER_PROFILES
          • USER_ROLE_PRIVS
          • USER_SEGMENTS
          • USER_SEQUENCES
          • USER_SOURCE
          • USER_SUBPARTITION_TEMPLATES
          • USER_SUBPART_KEY_COLUMNS
          • USER_SYNONYMS
          • USER_SYS_PRIVS
          • USER_TAB_STATS_HISTORY
          • USER_TAB_SUBPARTITIONS
          • USER_TRIGGERS
          • USER_TABLES
          • USER_TABLESPACES
          • USER_TAB_COLS
          • USER_TAB_COLUMNS
          • USER_TAB_COMMENTS
          • USER_TAB_PARTITIONS
          • USER_TAB_PRIVS
          • USER_TYPES
          • USER_TYPE_ATTRS
          • USER_TYPE_METHODS
          • USER_JOBS
          • USER_VIEWS
          • USER_RECYCLEBIN
          • USER_DEPENDENCIES
          • USER_PART_COL_STATISTICS
          • USER_PART_HISTOGRAMS
          • USER_SUBPART_COL_STATISTICS
          • USER_SUBPART_HISTOGRAMS
          • USER_TAB_COL_STATISTICS
          • USER_TAB_HISTOGRAMS
          • USER_TAB_STATISTICS
          • DBA_CONTEXT
        • Performance views
          • Overview
          • GV$CONCURRENT_LIMIT_SQL
          • GV$DBLINK
          • GV$GLOBAL_TRANSACTION
          • GV$INSTANCE
          • GV$LOCK
          • GV$MEMORY
          • GV$MEMSTORE
          • GV$MEMSTORE_INFO
          • GV$OB_SQL_WORKAREA_MEMORY_INFO
          • GV$OPEN_CURSOR
          • GV$OUTLINE
          • GV$PLAN_CACHE_PLAN_EXPLAIN
          • GV$PLAN_CACHE_PLAN_STAT
          • GV$PLAN_CACHE_STAT
          • GV$PS_ITEM_INFO
          • GV$PS_STAT
          • GV$SERVER_MEMSTORE
          • GV$SESSION_WAIT
          • GV$SESSION_WAIT_HISTORY
          • GV$SESSTAT
          • GV$SQL_AUDIT
          • GV$SQL_WORKAREA
          • GV$SQL_WORKAREA_ACTIVE
          • GV$SQL_WORKAREA_HISTOGRAM
          • GV$SYSSTAT
          • GV$SYSTEM_EVENT
          • GV$SSTABLE
          • GV$TENANT_MEMORY_INFO
          • V$DBLINK
          • V$ENCRYPTED_TABLES
          • V$ENCRYPTED_TABLESPACES
          • V$GLOBAL_TRANSACTION
          • V$INSTANCE
          • V$LOCK
          • V$MEMORY
          • V$MEMSTORE
          • V$MEMSTORE_INFO
          • V$NLS_PARAMETERS
          • V$OB_SQL_WORKAREA_MEMORY_INFO
          • V$OPEN_CURSOR
          • V$PLAN_CACHE_PLAN_EXPLAIN
          • V$PLAN_CACHE_PLAN_STAT
          • V$PLAN_CACHE_STAT
          • V$PS_ITEM_INFO
          • V$PS_STAT
          • V$RESTORE_POINT
          • V$RSRC_PLAN
          • V$SESSION_WAIT
          • V$SESSION_WAIT_HISTORY
          • V$SESSTAT
          • V$SQL_AUDIT
          • V$SQL_MONITOR_STATNAME
          • V$SQL_WORKAREA
          • V$SQL_WORKAREA_ACTIVE
          • V$SQL_WORKAREA_HISTOGRAM
          • V$SSTABLE
          • V$SYSSTAT
          • V$SYSTEM_EVENT
          • V$TIMEZONE_NAMES
          • V$TENANT_MEMORY_INFO
          • V$VERSION
          • GV$OB_DTL_INTERM_RESULT_MONITOR
          • V$OB_DTL_INTERM_RESULT_MONITOR
          • V$GLOBALCONTEXT
      • Error codes (MySQL mode)
        • Overview
        • 0001 to 3999
        • 4000 to 4499
        • 4500 to 4999
        • 5000 to 5999
        • 6000 to 6999
        • 7000 to 7999
        • 8000 to 8999
        • 9000 to 9499
        • 9500 to 9999
        • 22998, 30926, 38104, and 38105
      • Error codes (Oracle mode)
        • Overview
        • ORA-00000 to ORA-00999
        • ORA-01000 to ORA-01499
        • ORA-01500 to ORA-01999
        • ORA-02000 to ORA-04999
        • ORA-05000 to ORA-10000
        • ORA-10000 to ORA-19999
        • ORA-20000 to ORA-29999
        • ORA-30000 to ORA-49999
        • ORA-50000 to ORA-99999
        • PLS-00000 to PLS-00999
      • Reserved keywords (MySQL mode)
      • Reserved keywords (Oracle mode)
  • Develop
    • Developer guide (MySQL mode)
      • Connect to OceanBase Database
        • Overview
        • Connect to an OceanBase Database tenant by using a MySQL client
        • Connect to an OceanBase Database tenant by using OBClient
        • Connect to OceanBase Database by using ODC
      • Application development
        • Java
          • Java APIs
          • Connect Java applications to OceanBase Database
        • Python applications
        • Connect C applications to OceanBase Database
      • Create and manage database objects
        • About DDL statements
        • View the currently connected database
        • Change the password of a user
        • Data type
          • Common data types
          • Unsupported data types
        • Create database objects by using ODC
          • Create a table in ODC
          • Create a view in ODC
          • Create a function in ODC
          • Create a stored procedure in ODC
        • Create and manage tables
          • About tables
          • Create a table
          • About auto-increment columns
          • About types of column constraints
          • About table structure modification
          • About table clearing
          • About table dropping
          • Flash back a dropped table
          • About table privileges
        • Create and manage partition tables
          • About partitioned tables
          • Create a partitioned table
          • Manage a partitioned table
          • Create a subpartitioned table
          • Manage a subpartitioned table
          • Partition routing
          • Indexes on partitioned tables
          • Suggestions on using partitioned tables
        • Create and manage indexes
          • Overview
          • Create an index
          • Drop an index
        • Create and manage table groups
          • Overview
          • Create table groups
            • Create a non-partitioned table group
            • Create a subpartitioned table group
          • Specify a table group when creating a table
          • View information about a table group
          • Add a table to a table group
          • Drop a table group
        • Create and manage views
          • About views
          • Create a view
          • Modify a view
          • Drop a view
        • Create and manage sequences
          • About sequences
          • Create a sequence
          • Modify a sequence
          • Drop a sequence
        • Create and manage triggers
          • About triggers
          • Create a trigger
          • Drop a trigger
      • Query
        • Overview of queries
        • Run queries in ODC
        • Single-table queries
        • WHERE queries
        • ORDER BY queries
        • GROUP BY queries
        • Use the LIMIT clause in queries
        • Multi-table join queries
          • Multi-table join queries
          • INNER JOIN queries
          • OUTER JOIN queries
          • Subqueries
        • Use operators and functions in a query
          • Use arithmetic operators in queries
          • Use numerical functions in queries
          • Use string concatenation functions in queries
          • Use string functions in queries
          • Use date and time 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 plan
          • View an execution plan
          • Understand an execution plan
        • Use SQL hints in queries
        • Variables of query timeout
      • DML statements and transactions
        • DML statements
          • About DML statements
          • About the INSERT statement
          • UPDATE statements
          • About the DELETE statement
          • About the REPLACE INTO statement
        • Transactions
          • About transaction control statements
          • Start a transaction
          • Transaction savepoints
          • Commit a transaction
          • Roll back a transaction
          • About transaction timeout
    • Developer guide (Oracle mode)
      • Connect to OceanBase Database
        • Overview
        • Connect to an OceanBase Database tenant by using OBClient
        • Connect to OceanBase Database by using ODC
      • Application development
        • Java
          • OceanBase Connector/J
          • Java APIs
          • Connect Java applications to OceanBase Database
        • Python
          • OceanBase Connector/J in Python
          • Python APIs
          • Connect Python applications to OceanBase Database
        • C
          • OBCI
          • OBCI APIs
          • Connect C applications to OceanBase Database
      • Create and manage database objects
        • DDL statements
        • View the currently connected database
        • Change the password of a user
        • Create database objects by Using ODC
          • Create tables, views, functions, and stored procedures in ODC
          • Create a trigger in ODC
          • Create a sequence in ODC
          • Create a program package in ODC
          • Create a synonym in ODC
          • Create a type in ODC
        • Data type
          • Data types
          • Unsupported data types
        • Create and manage tables
          • Overview
          • Create a table
          • Define an auto-increment column by using the SEQUENCE keyword
          • Types of column constraints
          • Modify the structure of a table
          • Clear a table
          • Drop a table
          • Flash back a dropped table
          • Table privileges
        • Create and manage partition tables
          • Overview
          • Create a partitioned table
          • Manage a partitioned table
          • Create a subpartitioned table
          • Manage a subpartitioned table
          • Partition routing
          • Indexing on partitioned tables
          • Recommendations for using partitioned tables
        • Create and manage indexes
          • Drop an index
          • Overview
          • Create an index
        • Create and manage table groups
          • Overview
          • Create table groups
            • Create a non-partitioned table group
            • Create a subpartitioned table group
          • Specify a table group when creating a table
          • View information about a table group
          • Add a table to a table group
          • Drop a table group
        • Create and manage views
          • About views
          • Create a view
          • Modify a view
          • Drop a view
        • Create and manage sequences
          • Overview
          • Create a sequence
          • Modify a sequence
          • Drop a sequence
        • Create and manage synonyms
          • Overview
          • Create a synonym
          • Drop a synonym
        • Create and manage triggers
          • Overview
          • Create a trigger
          • Modify a trigger
          • Drop a trigger
          • Enable or disable a trigger
      • Query
        • About queries
        • Run queries in ODC
        • Single-table queries
        • Conditional queries
        • ORDER BY queries
        • GROUP BY queries
        • Use Row_Limiting_Clause in queries
        • Multi-table join queries
          • Multi-table join queries
          • INNER JOIN queries
          • OUTER JOIN queries
          • Subqueries
        • Use operators and functions in a query
          • Use arithmetic operators in queries
          • Use numerical functions in queries
          • Use string connectors 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 plan
          • View execution plans of queries
          • Understand execution plans
        • Use SQL hints in queries
        • About query timeout variables
      • DML statements and transactions
        • DML statements
          • About DML statements
          • About the INSERT statement
          • About the UPDATE statement
          • About the MERGE statement
          • About the DELETE statement
        • Transactions
          • About transaction control statements
          • Start a transaction
          • Transaction savepoints
          • Commit a transaction
          • Roll back a transaction
          • About transaction timeout
    • Data migration
      • About data migration and synchronization
      • Migrate data by using OMS
      • Export and import data by using ODC
        • Overview
        • Export and import file formats
        • Batch export and import
        • Single table export and import
      • Migrate data by using SQL scripts
        • Common SQL scripts for data migration
        • Export data by using OUTFILE statements
        • Export data by using the LOAD DATA statement
      • Migrate data by using mysqldump
      • Migrate data by using OBLOADER & OBDUMPER
        • Import data by using OBLOADER
        • Export data by using OBDUMPER
      • Migrate data by using DataX
        • DataX
        • Examples of using DataX in OceanBase Database
    • Design conventions and constraints
      • Object naming conventions
        • Overview
        • Tenant naming conventions
        • User naming conventions
        • Table naming conventions
        • Field naming conventions
        • Other naming conventions
      • Object structure conventions
        • Field design
        • Table structure design
        • Partitioned table design
        • Index design
        • Other structural designs
      • Character set specifications
      • Database connection specifications
      • Best practices for database design
        • Configuration example (database connection pool)
          • Overview of database connection pool configuration
          • Example of configuring a Tomcat connection pool
          • Example of configuring a C3P0 connection pool
          • Example of configuring a Proxool connection pool
          • Example of configuring a HiKariCP connection pool
          • Example of configuring a DBCP connection pool
          • CommonPool configuration example
          • Example of configuring a JDBC connection pool
        • Development framework connection example
          • SpringBoot connection example
          • SpringBatch connection example
          • SpringJDBC connection example
          • SpringJPA connection example
          • Hibernate connection example
          • MyBatis connection example
        • Use of table comments
        • ORM conventions
        • Exception handling
    • SQL syntax
      • System tenant
        • Overview
        • ALTER SYSTEM
          • BACKUP
          • BALANCE TASK
          • BOOTSTRAP
          • CANCEL MIGRATE UNIT
          • CHANGE TENANT
          • CLUSTER
          • CONVERT
          • DELETE BACKUPSET
          • DELETE OBSOLETE BACKUP
          • FAILOVER
          • FLUSH PLAN CACHE
          • JOB
          • MERGE
          • MIGRATE UNIT
          • PARAMETER
          • REFRESH
          • REPLICA
          • RESTORE
          • ROOTSERVICE
          • SERVER
          • SET STANDBY CLUSTER
          • SWITCHOVER
          • THROTTLE
          • UPGRADE
          • VALIDATE
          • ZONE
        • ALTER RESOURCE POOL
        • 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
      • User tenants (MySQL mode)
        • Elements
          • Data type
            • Overview
            • Numeric data types
              • Overview
              • Integer data types
              • Fixed-point data types
              • Floating-point data types
              • Bit value data type
            • Date and time data types
              • Overview
              • DATE, DATETIME, and TIMESTAMP types
              • TIME type
              • YEAR type
            • Character data types
              • Overview
              • CHAR and VARCHAR
              • BINARY and VARBINARY
            • BLOB and TEXT data 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 sets and collations
            • 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
          • Literals
            • Overview
            • Strings
            • Numbers
            • Datetime values
            • Bit values
            • Boolean values
            • NULLs
          • Schema object names
          • User-defined variables
          • Comments
        • Operators
          • Overview
          • Operator precedence
          • Arithmetic operators
          • Bitwise operators
          • Comparison operators
          • Logical operators
          • Assignment operators
          • Date and time operators
          • Concatenation operators
          • BINARY operator
          • CASE conditional operator
        • Sequence pseudocolumns
        • Functions
          • 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
              • DAY
            • String functions
              • ASCII
              • BIN
              • BIT_LENGTH
              • CHAR
              • CHAR_LENGTH
              • CONCAT
              • CONCAT_WS
              • EXPORT_SET
              • ELT
              • FIELD
              • FIND_IN_SET
              • FORMAT
              • HEX
              • INSERT
              • INSTR
              • INT2IP
              • IP2INT
              • LCASE
              • LEFT
              • LENGTH
              • LOCATE
              • LOWER
              • LPAD
              • LTRIM
              • MAKE_SET
              • MID
              • OCT
              • 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
            • Conversion functions
              • CAST
              • CONVERT
            • 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
              • IF
              • IFNULL
              • NULLIF
              • ORA_DECODE
          • Aggregate 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
          • Analytic functions
            • APPROX_COUNT_DISTINCT
            • AVG
            • 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
            • MD5
          • Information functions
            • BENCHMARK
            • CHARSET
            • COERCIBILITY
            • COLLATION
            • CONNECTION_ID
            • CURRENT_USER
            • DATABASE
            • FOUND_ROWS
            • LAST_INSERT_ID
            • SCHEMA
            • ROW_COUNT
            • SESSION_USER
            • SYSTEM_USER
            • USER
            • VERSION
            • OB_VERSION
          • JSON functions
            • Functions that create JSON values
              • JSON_ARRAY
              • JSON_OBJECT
              • JSON_QUOTE
            • Functions that search JSON values
              • JSON_CONTAINS
              • JSON_CONTAINS_PATH
              • JSON_EXTRACT
              • JSON_KEYS
              • JSON_OVERLAPS
              • JSON_SEARCH
              • JSON_VALUE
              • MEMBER OF
            • Functions that modify JSON values
              • JSON_ARRAY_APPEND
              • JSON_ARRAY_INSERT
              • JSON_INSERT
              • JSON_MERGE
              • JSON_MERGE_PATCH
              • JSON_MERGE_PRESERVE
              • JSON_REMOVE
              • JSON_REPLACE
              • JSON_SET
              • JSON_UNQUOTE
            • Functions that return JSON text attributes
              • JSON_DEPTH
              • JSON_LENGTH
              • JSON_TYPE
              • JSON_VALID
            • JSON utility functions
              • JSON_PRETTY
              • JSON_STORAGE_SIZE
            • JSON aggregate functions
              • JSON_ARRAYAGG
              • JSON_OBJECTAGG
          • Other functions
            • ANY_VALUE
            • COALESCE
            • DEFAULT
            • INET_ATON
            • INET_NTOA
            • INET6_ATON
            • INET6_NTOA
            • IS_IPV4
            • IS_IPV4_COMPAT
            • IS_IPV4_MAPPED
            • IS_IPV6
            • NVL
            • SLEEP
            • UUID
            • UUID_SHORT
            • VALUES
          • Spatial functions
            • Create a geometric function
            • Spatial operation functions
            • Spatial relation functions
            • Geometry property functions
            • Geometric format conversion functions
        • Queries and subqueries
          • Overview
          • Subqueries
          • JOIN
        • SQL statements
          • General syntax
          • CTE
          • ALTER DATABASE
          • ALTER OUTLINE
          • ALTER SEQUENCE
          • ALTER TABLE
          • ALTER TABLEGROUP
          • ALTER USER
          • ALTER VIEW
          • ANALYZE
          • CREATE DATABASE
          • CREATE INDEX
          • CREATE OUTLINE
          • CREATE RESTORE POINT
          • CREATE SEQUENCE
          • CREATE TABLE
          • CREATE TABLEGROUP
          • CREATE USER
          • CREATE VIEW
          • DEALLOCATE PREPARE
          • DELETE
          • DESCRIBE
          • DROP DATABASE
          • DROP INDEX
          • DROP OUTLINE
          • DROP RESTORE POINT
          • DROP TABLE
          • DROP TABLEGROUP
          • DROP SEQUENCE
          • DROP USER
          • DROP VIEW
          • EXECUTE
          • EXPLAIN
          • FLASHBACK
          • GRANT
          • HELP
          • INSERT
          • KILL
          • LOAD DATA
          • OPTIMIZE
          • PREPARE
          • PURGE
          • PURGE RECYCLEBIN
          • RENAME TABLE
          • RENAME USER
          • REPLACE
          • REVOKE
          • SAVEPOINT
          • SCHEMA
          • SELECT
            • SELECT
            • JOIN clause
            • OVER clause
            • UNION clause
          • SELECT INTO
          • SET
          • SET CHARSET
          • SET NAMES
          • SET PASSWORD
          • SET TRANSACTION
          • SHOW
          • TRANSACTION
          • TRUNCATE TABLE
          • UPDATE
          • USE
      • User tenants (Oracles mode)
        • SQL overview
        • Pseudocolumns
          • Overview
          • Hierarchical query pseudocolumns
          • Sequence pseudocolumns
          • ORA_ROWSCN pseudocolumn
          • ROWNUM pseudocolumn
          • ROWID pseudocolumn
        • Elements
          • Built-in data types
            • Overview of built-in data types
            • Character data types
              • Overview of character data types
              • CHAR data type
              • NCHAR data type
              • NVARCHAR2 data type
              • VARCHAR2 data type
              • VARCHAR data type
            • Numeric data types
              • Overview
              • NUMBER data type
              • FLOAT data type
              • Floating-point numbers
              • Precedence of numeric data types
            • Date, time, and interval data types
              • Overview of datetime and interval data types
              • DATE data type
              • TIMESTAMP data 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
          • Comparison rules of data types
            • 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
          • Literals
            • Overview
            • Text literals
            • Numeric literals
            • Datetime literals
              • Date literals
              • Timestamp literals
            • Interval literals
          • Format models
            • Overview
            • Number format models
            • Datetime format models
            • RR datetime format element
            • String-to-date conversion rules
          • Null values
            • Overview of nulls
            • Nulls in SQL functions
            • Nulls in comparison conditions
            • Nulls in conditional expressions
          • Comments
            • Overview
            • Comments within SQL statements
            • Comments on schema and nonschema objects
            • Hint
              • Overview of hints
              • Lists of hints
                • 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
            • Database object names and qualifiers
            • Suggestions on schema object names
          • Methods of referencing database objects
            • Overview
            • Reference schema objects
            • Reference objects in a remote database
              • Create database links
              • Reference database links
            • Reference partition tables and indexes
            • Reference an attribute or method of an object type
        • Operators
          • Overview of operators
          • Operator precedence
          • Arithmetic operators
          • Concatenation operator
          • Hierarchical query operators
          • Set operators
          • COLLATE operator
        • Functions
          • Function overview
          • Single-row functions
            • Numeric functions
              • ABS
              • ACOS
              • ASIN
              • ATAN
              • ATAN2
              • BITAND
              • CEIL
              • COS
              • COSH
              • EXP
              • FLOOR
              • LN
              • LOG
              • MOD
              • NANVL
              • POWER
              • REMAINDER
              • ROUND
              • SIGN
              • SIN
              • SINH
              • SQRT
              • TAN
              • TANH
              • TRUNC
              • WIDTH_BUCKET
            • String functions that return 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 that return numbers
              • ASCII
              • INSTR
              • LENGTH
              • REGEXP_COUNT
              • REGEXP_INSTR
            • Datetime functions
              • ADD_MONTHS
              • CURRENT_DATE
              • CURRENT_TIMESTAMP
              • DBTIMEZONE
              • EXTRACT (datetime)
              • FROM_TZ
              • LAST_DAY
              • LOCALTIMESTAMP
              • MONTHS_BETWEEN
              • NEXT_DAY
              • NUMTODSINTERVAL
              • NUMTOYMINTERVAL
              • ROUND (date)
              • SESSIONTIMEZONE
              • SYS_EXTRACT_UTC
              • SYSDATE
              • SYSTIMESTAMP
              • TO_CHAR (datetime)
              • TO_DSINTERVAL
              • TO_TIMESTAMP
              • TO_TIMESTAMP_TZ
              • TO_YMINTERVAL
              • TRUNC (date)
              • TZ_OFFSET
            • General comparison functions
              • GREATEST
              • LEAST
            • Conversion functions
              • ASCIISTR
              • CAST
              • CHARTOROWID
              • CONVERT
              • HEXTORAW
              • NUMTODSINTERVAL
              • NUMTOYMINTERVAL
              • RAWTOHEX
              • ROWIDTOCHAR
              • ROWIDTONCHAR
              • 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
            • XML functions
              • XMLAGG
              • XMLATTRIBUTES
              • XMLELEMENT
              • XMLPARSE
          • Aggregate functions
            • APPROX_COUNT_DISTINCT
            • AVG
            • CORR
            • COUNT
            • COVAR_POP
            • COVAR_SAMP
            • CUME_DIST
            • DENSE_RANK
            • GROUPING
            • KEEP
            • LISTAGG
            • MAX
            • MEDIAN
            • MIN
            • PERCENT_RANK
            • PERCENTILE_CONT
            • PERCENTILE_DISC
            • RANK
            • REGR_ (Linear Regression) Functions
            • ROLLUP
            • STDDEV
            • STDDEV_POP
            • STDDEV_SAMP
            • SUM
            • VAR_POP
            • VAR_SAMP
            • VARIANCE
            • WMSYS.WM_CONCAT/WM_CONCAT
          • Analytic 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) Functions
            • 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 of SQL conditions
          • 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 of queries and subqueries
          • Simple query
          • Hierarchical query
          • Compound queries
          • Join queries
          • Subquery
          • 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 DIRECTORY
            • CREATE DATABASE LINK
            • CREATE INDEX
            • CREATE KEYSTORE
            • CREATE OUTLINE
            • CREATE PROFILE
            • CREATE RESTORE POINT
            • CREATE ROLE
            • CREATE SEQUENCE
            • CREATE SYNONYM
            • CREATE TABLE
            • CREATE TABLEGROUP
            • CREATE TABLESPACE
            • CREATE USER
            • CREATE VIEW
            • DROP DIRECTORY
            • DROP DATABASE LINK
            • DROP INDEX
            • DROP OUTLINE
            • DROP PROFILE
            • DROP RESTORE POINT
            • DROP ROLE
            • DROP SEQUENCE
            • DROP SYNONYM
            • DROP TABLE
            • DROP TABLEGROUP
            • DROP TABLESPACE
            • DROP USER
            • DROP VIEW
            • RENAME
            • TRUNCATE TABLE
          • 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
            • REVOKE
            • ROLLBACK
            • SAVEPOINT
            • SET NAMES
            • SET PASSWORD
            • SET ROLE
            • SET VARIABLE
            • SHOW
            • SHRINK
            • TRANSACTION
    • PL reference
      • What is PL?
        • Overview
        • Main features of PL
        • PL architecture
      • PL reference (MySQL mode)
        • Syntax of PL stored programs
        • Stored programs
          • Overview
          • Variables in stored programs
          • Stored procedures
          • Stored functions
          • Triggers
          • Access control and account management
          • Limitations on stored programs
        • Cursors
          • Overview
          • Cursor execution process
          • Limitations on server cursors
        • Conditional control statements
          • CASE
          • IF
          • ITERATE
          • LEAVE
          • LOOP
          • REPEAT
          • RETURN
          • WHILE
        • Data manipulation statements
          • CALL
          • DO
        • Data definition statements
          • CREATE FUNCTION
          • CREATE PROCEDURE
          • CREATE TRIGGER
          • DROP FUNCTION
          • DROP PROCEDURE
          • DROP TRIGGER
        • Database management statements
          • SHOW CREATE FUNCTION
          • SHOW CREATE PROCEDURE
          • SHOW CREATE TRIGGER
          • SHOW FUNCTION STATUS
          • SHOW PROCEDURE STATUS
          • SHOW TRIGGERS
        • Dictionary view
          • INFORMATION_SCHEMA PARAMETERS
          • INFORMATION_SCHEMA ROUTINES
          • INFORMATION_SCHEMA TRIGGERS
        • 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 packages
          • 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
            • DELETE_COLUMN_STATS
            • DELETE_TABLE_STATS
            • EXPORT_COLUMN_STATS
            • EXPORT_TABLE_STATS
            • FLUSH_DATABASE_MONITORING_INFO
            • GATHER_TABLE_STATS
            • IMPORT_COLUMN_STATS
            • IMPORT_TABLE_STATS
            • LOCK_PARTITION_STATS
            • LOCK_SCHEMA_STATS
            • LOCK_TABLE_STATS
            • SET_COLUMN_STATS
            • SET_TABLE_STATS
            • UNLOCK_PARTITION_STATS
            • UNLOCK_SCHEMA_STATS
            • UNLOCK_TABLE_STATS
        • Reserved and non-reserved PL keywords
      • PL reference (Oracle mode)
        • Language basics
          • Character sets
          • Lexical units
          • Declaration
          • Reference identifiers
          • Scope and visibility of identifiers
          • Assign values
          • Expressions
          • PL blocks
          • Subprograms
          • Error-reporting functions
        • Data types
          • Overview
          • SQL data types
          • LOB data types
          • BOOLEAN type
          • User-defined subtypes
          • PLS_INTEGER and BINARY_INTEGER
          • Arrays
        • Flow control
          • Overview
          • Conditional control
          • Loop control
          • Sequential control
        • 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
        • Static SQL
          • Overview
          • Cursors
            • 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
        • Dynamic SQL
          • Overview
          • Execute dynamic SQL statements
          • DBMS_SQL system package
        • Stored procedures and functions
          • Overview
          • Create a stored procedure
          • Create a function
          • Manage stored procedures and functions
          • Privilege control
          • User-defined aggregate functions
            • Overview
            • Interface for user-defined aggregate functions
            • Create user-defined aggregate functions
            • Use user-defined aggregate functions
        • Triggers
          • Overview
          • Create a DML trigger
          • Modify and drop a trigger
          • Disable or enable a trigger
          • Query trigger information
          • INSTEAD OF DML trigger
        • Packages
          • Overview
          • Create a program package
          • Overloaded programs in a package
          • Manage program packages
          • Definition of the PL environment by the STANDARD package
        • 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 packages
          • Overview
          • DBMS_APPLICATION_INFO
            • Overview
            • READ_CLIENT_INFO
            • READ_MODULE
            • SET_ACTION
            • SET_CLIENT_INFO
            • SET_MODULE
          • 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
            • COMPARE
            • 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
            • DELETE_COLUMN_STATS
            • DELETE_TABLE_STATS
            • EXPORT_COLUMN_STATS
            • EXPORT_TABLE_STATS
            • FLUSH_DATABASE_MONITORING_INFO
            • GATHER_TABLE_STATS
            • IMPORT_COLUMN_STATS
            • IMPORT_TABLE_STATS
            • LOCK_PARTITION_STATS
            • LOCK_SCHEMA_STATS
            • LOCK_TABLE_STATS
            • SET_COLUMN_STATS
            • SET_TABLE_STATS
            • UNLOCK_PARTITION_STATS
            • UNLOCK_SCHEMA_STATS
            • UNLOCK_TABLE_STATS
          • 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_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
          • 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_FILE
            • Overview
            • FCLOSE
            • FFLUSH
            • FOPEN
            • FGETPOS
            • FREMOVE
            • FRENAME
            • FSEEK
            • NEW_LINE
            • GET_LINE
            • PUT
            • PUT_LINE
          • UTL_ENCODE
            • Overview
            • BASE64_DECODE
            • BASE64_ENCODE
          • UTL_I18N
            • Overview
            • RAW_TO_CHAR
            • STRING_TO_RAW
          • UTL_RAW
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Documentation Revision History Document Overview Overview Concepts Compatibility with MySQL Management tools Version rules Limitations Deployment introduction Deployment process HA solution for OceanBase clusters Overview Migrate data by using SQL scripts Migrate data by using mysqldump Migrate data by using DataX Migrate data by using the OUTFILE statement OverviewPhysical connections Overview of data distribution Overview Case analysis RPC connection authentication Set row-level access control Reserved keywords (MySQL mode) Reserved keywords (Oracle mode) About data migration and synchronization Migrate data by using OMS Migrate data by using mysqldump Character set specifications Database connection specifications Limits on writing SQL statementsArchitecture of OceanBase Database Development of OceanBase Database Overview Compatibility modes System tenants User tenants Overview Cluster architecture Overview Client programming languages Overview Multi-level caching Query processing Deployment solutions for disaster recovery Overview Identity authenticationAccess control Data transmission encryption Data storage encryption Monitoring and alerts Security audit Structure of the OBServer installation directoryConfiguration files Logs Appendix: Basic concepts of OceanBase Database OceanBase Database Enterprise Edition V3.2.4 OceanBase Database Enterprise Edition V3.2.3 OceanBase Database Enterprise Edition V3.2.2 OceanBase Database Enterprise Edition V3.2.1 OceanBase Database Enterprise Edition V3.2.0 OceanBase Database Enterprise Edition V3.1.2 OceanBase Database Enterprise Edition V3.1.1 OceanBase Database Enterprise Edition V2.2.77
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4000 to 4499

Last Updated:2023-10-24 09:23:03  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
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 is timeout
ERROR 4012 (25000): Statement is timeout
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 4032 (22S01): Invalid cast from %s to %s.
ERROR 4033 (22S04): Invalid cast from %s to %s. A polygon ring is in the wrong direction.
ERROR 4033 (HY000): Serialize error
ERROR 4034 (HY000): Deserialize error
ERROR 4034 (22S05): Arguments to function %s contains geometries with different SRIDs: %u and %u. All geometries must have the same SRID.
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 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
ERROR4179 (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 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
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 4388 (HY000): Unexpected internal error happen, please checkout the internal errcode
ERROR 4389 (HY000): Processing time is too long

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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: Contact OceanBase Technical Support for troubleshooting.

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

  • 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 is timeout

  • Error code in OceanBase Database: 6210

  • MySQL error code: 4012

ERROR 4012 (25000): Statement is timeout

  • 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: The tenant or OBServer node is out of memory.

  • Solution: If a user tenant is out of memory, increase the memory size of the tenant. If an OBServer node is out of memory, contact OceanBase Database Technical Support for troubleshooting.

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 4032 (22S01): Invalid cast from %s to %s.

  • Error code in OceanBase Database: 7260

  • MySQL error code: 4032

ERROR 4033 (22S04): Invalid cast from %s to %s. A polygon ring is in the wrong direction.

  • Error code in OceanBase Database: 7261

  • MySQL error code: 4033

ERROR 4033 (HY000): Serialize error

  • Error code in OceanBase Database: 4033

  • Cause: Serialization failed.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4034 (HY000): Deserialize error

  • Error code in OceanBase Database: 4034

  • Cause: Deserialization failed.

  • Solution: Contact OceanBase Technical Support for troubleshooting.

ERROR 4034 (22S05): Arguments to function %s contains geometries with different SRIDs: %u and %u. All geometries must have the same SRID.

  • Error code in OceanBase Database: 7262

  • MySQL error code: 4034

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 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.

ERROR4179 (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 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

  • 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 to be 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 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.

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.

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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
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 is timeout
ERROR 4012 (25000): Statement is timeout
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 4032 (22S01): Invalid cast from %s to %s.
ERROR 4033 (22S04): Invalid cast from %s to %s. A polygon ring is in the wrong direction.
ERROR 4033 (HY000): Serialize error
ERROR 4034 (HY000): Deserialize error
ERROR 4034 (22S05): Arguments to function %s contains geometries with different SRIDs: %u and %u. All geometries must have the same SRID.
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 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
ERROR4179 (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 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
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 4388 (HY000): Unexpected internal error happen, please checkout the internal errcode
ERROR 4389 (HY000): Processing time is too long