OceanBase
English日本語简体中文
Docs Home
Products
Integrations
Release Notes

Databases

OceanBase DatabaseOceanBase Cloud OceanBase Best Practices

Tools

OceanBase Cloud PlatformOceanBase Migration ServiceOceanBase Developer CenterOceanBase Migration AssessmentOceanBase Admin ToolOceanBase Loader and DumperOceanBase DeployerKubernetes operator for OceanBaseOceanBase Diagnostic Tool OceanBase Binlog Service

Connectors and Middleware

OceanBase Database Proxy OceanBase Connector/C OceanBase Connector/J OceanBase Connector/ODBC OceanBase Connector/NETOceanBase Command-Line Client

Databases

OceanBase DatabaseOceanBase Cloud OceanBase Best Practices

Connectors and Middleware

OceanBase Database Proxy OceanBase Connector/C OceanBase Connector/J OceanBase Connector/ODBC OceanBase Connector/NETOceanBase Command-Line Client

Tools

OceanBase Cloud PlatformOceanBase Migration ServiceOceanBase Developer CenterOceanBase Migration AssessmentOceanBase Admin ToolOceanBase Loader and DumperOceanBase DeployerKubernetes operator for OceanBaseOceanBase Diagnostic Tool OceanBase Binlog Service
OceanBase DatabaseOceanBase Cloud ToolsConnectors and MiddlewareLifecycle Support Policy

OceanBase Cloud

  • Product Updates & Announcements
    • What's new
      • Release notes for 2026
      • Release notes for 2025
      • Release notes for 2024
      • Release history
    • Product announcements
      • Notice of underlying component upgrades for OceanBase Cloud database proxy clusters on Alibaba Cloud
      • AI Service Model Launch and Delisting Notice
      • Data development module deprecation notice
      • Optimization of Backup and Restore commercialization strategy
      • Database proxy billing update
      • AWS instance pricing adjustment
      • Billing notice for limited-time free OMS instances
      • Notice of cross-AZ data transfer billing adjustments (OceanBase Cloud on AWS)
  • Product Introduction
    • Overview
    • Management mode and scenarios
    • Core features
      • High availability with cross-cloud active-active architecture
      • High availability with cross-cloud primary-standby databases
      • Multi-layer online scaling and on-demand adjustment
    • Deployment modes
    • Product specifications
    • Product billing
      • Overview
      • Instance billing
        • Alibaba Cloud instance billing
        • Huawei Cloud instance billing
        • AWS instance billing
        • Google Cloud instance billing
        • Azure instance billing
      • Backup and restore billing
      • SQL audit billing
      • Migrations billing
      • Database proxy billing
      • Binlog service billing
      • Read-only replica billing
      • AI model billing
    • Supported database versions
  • Get Started
    • Quick start with Flagship Edition
    • Create a Flagship Edition cluster instance
    • Create a tenant
    • Use the database
  • Work with DBaaS Instances
    • Work with flagship edition instances
      • Overview
      • Create an instance
        • Overview
        • Create via OceanBase Cloud official website
        • Create via AWS Marketplace
        • Create via GCP Marketplace
        • Create via Huawei Cloud Marketplace
        • Create via Alibaba Cloud Marketplace
        • Create via Azure Marketplace
      • Connect to an instance
        • Configure network connection
          • Overview
          • Connect using a public IP address
          • Connect using Azure Private Link
          • Connect using Google Cloud Private Service Connect
          • Connect using Huawei Cloud VPC Endpoint
          • Connect using a Huawei Cloud peering connection
          • Connect using AWS PrivateLink
          • Connect using AWS VPC peering
          • Connect using Alibaba Cloud VPC
        • MySQL compatible mode
          • Connect with clients
            • Connect to OceanBase Cloud by using Client ODC
            • Connect to OceanBase Cloud by using a MySQL client
            • Connect to OceanBase Cloud by using OBClient
          • Connect with drivers
            • Java
              • Connect to OceanBase Cloud using SpringBoot
              • SpringBatch sample application for connecting to OceanBase Cloud
              • spring-jdbc
              • SpringDataJPA sample application for connecting to OceanBase Cloud
              • Hibernate application development with OceanBase Cloud
              • Sample program for connecting to OceanBase Cloud
              • connector-j
              • Use TestContainers to connect to and use OceanBase Cloud
            • Python
              • Connect to OceanBase Cloud using mysqlclient
              • Connect to OceanBase Cloud using PyMySQL
              • Use the MySQL-connector-python driver to connect to and use OceanBase Cloud
              • Use SQLAlchemy to connect to an OceanBase Cloud database
              • Connect to an OceanBase Cloud database using Django
              • Connect to an OceanBase Cloud database by using peewee
            • C
              • Use MySQL Connector/C to connect to OceanBase Cloud
            • Go
              • Connect to OceanBase Cloud using the Go-SQL-Driver/MySQL driver
              • Connect to OceanBase Cloud using GORM
            • PHP
              • Use the EXT driver to connect to OceanBase Cloud
              • Connect to OceanBase Cloud by using the MySQLi driver
              • Use the PDO driver to connect to OceanBase Cloud
            • Rust
              • Rust application example for connecting to OceanBase Cloud
              • SeaORM example for connecting to OceanBase Cloud
            • Ruby
              • ActiveRecord sample application for OceanBase Cloud
              • Connect to OceanBase Cloud by using mysql2
              • Connect to OceanBase Cloud by using Sequel
          • Use database connection pool
            • Database connection pool configuration
            • Connect to OceanBase Cloud by using a Tomcat connection pool
            • Connect to OceanBase Cloud by using a C3P0 connection pool
            • Connect to OceanBase Cloud by using a Proxool connection pool
            • Connect to OceanBase Cloud by using a HikariCP connection pool
            • Connect to OceanBase Cloud by using a DBCP connection pool
            • Connect to OceanBase Cloud by using Commons Pool
            • Connect to OceanBase Cloud by using a Druid connection pool
        • Oracle compatible mode
          • Connect with clients
            • Connect to OceanBase Cloud by using OBClient
            • Connect to OceanBase Cloud by using Client ODC
          • Connect with drivers
            • Java
              • Connect to OceanBase Cloud using OceanBase Connector/J
              • Connect to OceanBase Cloud by using Spring Boot
              • SpringBatch application example for connecting to OceanBase Cloud
              • Connect to OceanBase Cloud using Spring JDBC
              • Connect to OceanBase Cloud by using Spring Data JPA
              • Connect to OceanBase Cloud by using Hibernate
              • Use MyBatis to connect to OceanBase Cloud
              • Use JFinal to connect to OceanBase Cloud
            • Python
              • Python Driver for Oracle Mode
            • C/C++
              • Connect to OceanBase Cloud using OceanBase Connector/C
              • Connect to OceanBase Cloud using OceanBase Connector/ODBC
              • Use SqlSugar to connect to OceanBase Cloud
          • Use database connection pool
            • Database connection pool configuration
            • Sample program that uses a Tomcat connection pool to connect to OceanBase Cloud
            • C3P0 connection pool connects to OceanBase Cloud
            • Connect to OceanBase Cloud using Proxool connection pool
            • Sample program that uses HikariCP to connect to OceanBase Cloud
            • Use DBCP connection pool to connect to OceanBase Cloud
            • Connect to OceanBase Cloud by using Commons Pool
            • Connect to OceanBase Cloud by using a Druid connection pool
        • KV compatible mode
          • Connect to a cluster by using the OBKV-HBase client
      • Developer guide
        • MySQL compatible mode
          • Plan database objects
            • Create a database
            • Create a table group
            • Create a table
            • Create an index
            • Create an external table
          • Write data
            • Insert data
            • Update data
            • Delete data
            • Replace data
            • Generate test data in batches
          • Read data
            • Single-table queries
            • Join tables
              • INNER JOIN queries
              • FULL JOIN queries
              • LEFT JOIN queries
              • RIGHT JOIN queries
              • Subqueries
              • Lateral derived tables
            • Use operators and functions in queries
              • Use arithmetic operators in queries
              • Use numerical functions in queries
              • Use string concatenation operators in queries
              • Use string functions in queries
              • Use datetime functions in queries
              • Use 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
              • Use the SELECT ... LOCK IN SHARE MODE statement to lock query results
            • Use a DBLink in queries
            • Set operations
          • Manage transactions
            • Overview
            • Start a transaction
            • Savepoints
              • Mark a savepoint
              • Roll back a transaction to a savepoint
              • Release a savepoint
            • Commit a transaction
            • Roll back a transaction
        • Oracle compatible mode
          • Plan database objects
            • Create a table group
            • Create a table
            • Create an index
            • Create an external table
          • Write data
            • Insert data
            • Update data
            • Delete data
            • Replace data
            • Generate test data in batches
          • Read data
            • Single-table queries
            • Join tables
              • INNER JOIN queries
              • FULL JOIN queries
              • LEFT JOIN queries
              • RIGHT JOIN queries
              • Subqueries
              • Lateral derived tables
            • Use operators and functions in queries
              • Use arithmetic operators in queries
              • Use numerical functions in queries
              • Use string concatenation operators in queries
              • Use string functions in queries
              • Use datetime functions in queries
              • Use aggregate functions in queries
              • Use CASE functions in queries
            • Use a DBLink in queries
            • Set operations
          • Manage transactions
            • Overview
            • Start a transaction
            • Savepoints
              • Mark a savepoint
              • Roll back a transaction to a savepoint
            • Commit a transaction
            • Roll back a transaction
        • KV compatible mode
          • OBKV-Table Java development guide
          • Table data operation examples
            • Insert data with OBKV-Table
            • Query data with OBKV-Table
            • Update data with OBKV-Table
            • Delete data with OBKV-Table
          • Table Java development
            • Connect to an instance by using the OBKV-Table Java client
          • HBase data operation examples
            • OBKV-HBase application development overview
            • OBKV-HBase data operation examples
      • Manage instances
        • Manage instances
          • View the instance list
          • Instance workbench overview
          • Stop and start instances
          • Unit migration
        • Manage tenants
          • Tenant overview
          • Create a tenant
          • Modify tenant specifications
          • Modify tenant names
          • Add an endpoint
          • Resource isolation
            • Overview
            • Manage resource groups
              • Create a resource group
              • View a resource group
              • Edit a resource group
              • Delete a resource group
            • Manage isolation rules
              • Create an isolation rule
              • View isolation rules
              • Edit an isolation rule
              • Delete a quarantine rule
          • Modify primary zone
          • Modify the maximum number of connections for a tenant proxy
          • Enable the AI function built-in AI models
          • Monitor tenant performance
            • Overview
            • View performance and SQL monitoring details
            • View transaction monitoring details
            • View storage and cache monitoring details
            • View Binlog service monitoring
            • Customize a monitoring dashboard for a tenant
          • Diagnostics
            • View performance monitoring data
            • Real-time diagnostics
              • SQL diagnostics
                • Top SQL
                • Slow SQL
                • Suspicious SQL
                • High-risk SQL
                • SQL details
              • Session management
                • Session management
              • Optimization management
                • Manage active outlines
                • View optimization history
              • SQL audit
          • Manage tenant parameters
            • Manage tenant parameters
            • Parameters for tenants
            • Parameter template overview
          • Delete a tenant
          • Manage databases and accounts
            • Create accounts
            • Manage accounts
            • Create a database (MySQL compatible mode)
            • Manage databases (MySQL compatible mode)
        • Monitor instance performance
          • Overview
          • Monitor the performance of databases in an instance
          • Monitor multidimensional metrics of an instance
          • Monitor the performance of hosts in an instance
          • Monitor database proxy
          • Monitor database proxy hosts
          • Monitor cross-cloud network performance
          • Customize a monitoring dashboard for an instance
        • Manage major compactions
          • Initiate a major compaction
          • View compaction records
          • Update time for compactions
        • Manage instance parameters
          • Manage parameters
          • Parameters for cluster instances
        • Change instance configurations
          • Set compute auto-scaling
          • Set storage auto-scaling
          • View history of configuration changes
          • Change configuration
          • Switch the deployment mode
        • Manage standby instances
          • Overview
          • Create a standby instance
          • Create a cross-cloud standby instance
          • Primary-standby instance workspace
          • Configure a primary-standby synchronization strategy
          • Configure global endpoint
          • Enable automatic forwarding of standby write requests
          • Primary-standby instance switchover
          • Initiate failover
          • Detach a standby instance
          • Release a standby instance
        • Release an instance
        • Database proxy
          • Overview
          • Manage database proxy
          • Direct load
        • Manage alerts
          • Overview
          • Manage alert rules
            • Create an alert rule
            • View an alert rule
            • Edit an alert rule
            • Delete an alert rule
          • View alert history
          • Manage alert templates
            • Create an alert template
            • View an alert template
            • Edit an alert template
            • Copy an alert rule template
            • Delete an alert template
          • Manage muting rules
            • Create an alert muting rule
            • View an alert muting rule
            • Edit an alert muting rule
            • Delete an alert muting rule
          • Manage alert notification templates
            • Create an alert notification template
            • View an alert notification template
            • Edit an alert notification template
            • Copy an alert notification template
            • Delete an alert notification template
          • Manage alert contacts
            • Add an alert contact
            • Add an alert contact group
            • View an alert contact
            • Edit an alert contact
            • Delete an alert contact
            • Obtain a webhook URL
          • Monitoring metrics for alerts
        • Backup and restore
          • Overview
          • Backup strategy
          • Initiate a backup immediately
          • Data backup
          • Initiate a restore
          • Data restore
          • Restore data from the instance recycle bin
        • Diagnostics
          • View performance monitoring data
          • Capacity diagnostics
          • One-click diagnostics
            • Initiate one-click diagnostics
            • View one-click diagnostic report
              • Exceptions
              • Real-time diagnostics
              • Optimization suggestions
              • Capacity management
              • Security management
          • Real-time diagnostics
            • SQL diagnostics
              • Top SQL
              • Slow SQL
              • Suspicious SQL
              • High-risk SQL
              • SQL details
              • SQL monitoring metrics list
            • Session management
              • Session management
            • Request analysis
              • Request analysis
          • Root cause diagnostics
            • Exception handling
            • Enable system autonomy
          • SQL audit
          • Materialized view analysis
          • Optimization center
            • Optimization suggestions
            • Manage active outlines
            • SQL review
            • View the optimization history
        • Manage read-only replicas
          • Overview
          • Instance read-only replicas
            • Add a read-only replica to an instance
            • View read-only replicas of an instance
            • Manage read-only replicas of an instance
            • Delete a read-only replica of an instance
          • Tenant read-only replicas
            • Add a read-only replica to a tenant
            • View read-only replicas of a tenant
            • Manage read-only replicas of a tenant
            • Delete a read-only replica of a tenant
        • Manage tags
        • Manage JVM-dependent services
      • Data source management
        • Overview of data source management
        • Manage data sources
        • User privileges
          • User privileges for compatibility assessment
          • User privileges for data migration
          • User privileges for performance assessment
          • User privileges for data archiving
          • User privileges for data cleanup
        • Connect via private network
          • AWS
          • Huawei Cloud
          • Alibaba Cloud
          • Azure
          • Private IP address segments
        • Connect via public network
          • AWS
          • Huawei Cloud
          • Alibaba Cloud
          • Azure
      • Data lifecycle management
        • Archive data
        • Clean up data
      • Manage recycle bin
        • Instance recycle bin
        • Manage databases and tables in recycle bin
          • Overview
          • Instance-level recycle bin
          • Tenant-level recycle bin
    • Work with transactional instances
      • Overview
      • Create an instance
        • Overview
        • Create via OceanBase Cloud official website
        • Create via AWS Marketplace
        • Create via GCP Marketplace
        • Create via Huawei Cloud Marketplace
        • Create via Alibaba Cloud Marketplace
        • Create via Azure Marketplace
      • Connect to an instance
        • MySQL compatible mode
          • Overview
          • Get connection string
            • Overview
            • Connect to a database by using AWS PrivateLink
            • Access the database by using an Azure private network connection
            • Connect using AWS VPC peering
            • Connect using Google Cloud Private Service Connect
            • Connect using Huawei Cloud VPC Endpoint
            • Connect using Alibaba Cloud VPC
            • Connect using a public IP address
            • Connect using a Huawei Cloud peering connection
          • Connect with clients
            • Connect to OceanBase Cloud by using Client ODC
            • Connect to OceanBase Cloud by using a MySQL client
            • Connect to OceanBase Cloud by using OBClient
          • Connect with drivers
            • Java
              • Connect to OceanBase Cloud using SpringBoot
              • SpringBatch sample application for connecting to OceanBase Cloud
              • spring-jdbc
              • SpringDataJPA sample application for connecting to OceanBase Cloud
              • Hibernate application development with OceanBase Cloud
              • Sample program for connecting to OceanBase Cloud
              • connector-j
              • Use TestContainers to connect to and use OceanBase Cloud
            • Python
              • Connect to OceanBase Cloud using mysqlclient
              • Connect to OceanBase Cloud using PyMySQL
              • Use the MySQL-connector-python driver to connect to and use OceanBase Cloud
              • Use SQLAlchemy to connect to an OceanBase Cloud database
              • Connect to an OceanBase Cloud database using Django
              • Connect to an OceanBase Cloud database by using peewee
            • C
              • Use MySQL Connector/C to connect to OceanBase Cloud
            • Go
              • Connect to OceanBase Cloud using the Go-SQL-Driver/MySQL driver
              • Connect to OceanBase Cloud using GORM
            • PHP
              • Use the EXT driver to connect to OceanBase Cloud
              • Connect to OceanBase Cloud by using the MySQLi driver
              • Use the PDO driver to connect to OceanBase Cloud
            • Rust
              • Rust application example for connecting to OceanBase Cloud
              • SeaORM example for connecting to OceanBase Cloud
            • ruby
              • ActiveRecord sample application for OceanBase Cloud
              • Connect to OceanBase Cloud by using mysql2
              • Connect to OceanBase Cloud by using Sequel
          • Use database connection pool
            • Database connection pool configuration
            • Connect to OceanBase Cloud by using a Tomcat connection pool
            • Connect to OceanBase Cloud by using a C3P0 connection pool
            • Connect to OceanBase Cloud by using a Proxool connection pool
            • Connect to OceanBase Cloud by using a HikariCP connection pool
            • Connect to OceanBase Cloud by using a DBCP connection pool
            • Connect to OceanBase Cloud by using Commons Pool
            • Connect to OceanBase Cloud by using a Druid connection pool
        • Oracle compatible mode
          • Overview
          • Get connection string
            • Overview
            • Connect to a database by using AWS PrivateLink
            • Access a database by using an Azure private network connection
            • Connect using AWS VPC peering
            • Connect using Google Cloud Private Service Connect
            • Connect using Huawei Cloud VPC Endpoint
            • Connect using a public IP address
          • Connect with clients
            • Connect to OceanBase Cloud by using OBClient
            • Connect to OceanBase Cloud by using Client ODC
          • Connect with drivers
            • Java
              • Connect to OceanBase Cloud using OceanBase Connector/J
              • Connect to OceanBase Cloud by using Spring Boot
              • SpringBatch application example for connecting to OceanBase Cloud
              • Connect to OceanBase Cloud using Spring JDBC
              • Connect to OceanBase Cloud by using Spring Data JPA
              • Connect to OceanBase Cloud by using Hibernate
              • Use MyBatis to connect to OceanBase Cloud
              • Use JFinal to connect to OceanBase Cloud
            • Python
              • Python Driver for Oracle Mode
            • C
              • Connect to OceanBase Cloud using OceanBase Connector/C
              • Connect to OceanBase Cloud using OceanBase Connector/ODBC
              • Use SqlSugar to connect to OceanBase Cloud
          • Use database connection pool
            • Database connection pool configuration
            • Sample program that uses a Tomcat connection pool to connect to OceanBase Cloud
            • C3P0 connection pool connects to OceanBase Cloud
            • Connect to OceanBase Cloud using Proxool connection pool
            • Sample program that uses HikariCP to connect to OceanBase Cloud
            • Use DBCP connection pool to connect to OceanBase Cloud
            • Connect to OceanBase Cloud by using Commons Pool
            • Connect to OceanBase Cloud by using a Druid connection pool
      • Developer guide
        • MySQL compatible mode
          • Plan database objects
            • Create a database
            • Create a table group
            • Create a table
            • Create an index
            • Create an external table
          • Write data
            • Insert data
            • Update data
            • Delete data
            • Replace data
            • Generate test data in batches
          • Read data
            • Single-table queries
            • Join tables
              • INNER JOIN queries
              • FULL JOIN queries
              • LEFT JOIN queries
              • RIGHT JOIN queries
              • Subqueries
              • Lateral derived tables
            • Use operators and functions in queries
              • Use arithmetic operators in queries
              • Use numerical functions in queries
              • Use string concatenation operators in queries
              • Use string functions in queries
              • Use datetime functions in queries
              • Use type conversion functions in queries
              • Use aggregate functions in queries
              • Use NULL-related functions in queries
              • Use the CASE conditional operator in queries
              • Use the SELECT ... FOR UPDATE statement to lock query results
              • Use the SELECT ... LOCK IN SHARE MODE statement to lock query results
            • Use a DBLink in queries
            • Set operations
          • Manage transactions
            • Overview
            • Start a transaction
            • Savepoints
              • Mark a savepoint
              • Roll back a transaction to a savepoint
              • Release a savepoint
            • Commit a transaction
            • Roll back a transaction
        • Oracle compatible mode
          • Plan database objects
            • Create a table group
            • Create a table
            • Create an index
            • Create an external table
          • Write data
            • Insert data
            • Update data
            • Delete data
            • Replace data
            • Generate test data in batches
          • Read data
            • Single-table queries
            • Join tables
              • INNER JOIN queries
              • FULL JOIN queries
              • LEFT JOIN queries
              • RIGHT JOIN queries
              • Subqueries
              • Lateral derived tables
            • Use operators and functions in queries
              • Use arithmetic operators in queries
              • Use numerical functions in queries
              • Use string concatenation operators in queries
              • Use string functions in queries
              • Use datetime functions in queries
              • Use type conversion functions in queries
              • Use aggregate functions in queries
              • Use NULL-related functions in queries
              • Use CASE functions in queries
              • Use the SELECT ... FOR UPDATE statement to lock query results
            • Use a DBLink in queries
            • Set operations
          • Manage transactions
            • Overview
            • Start a transaction
            • Savepoints
              • Mark a savepoint
              • Roll back a transaction to a savepoint
            • Commit a transaction
            • Roll back a transaction
      • Manage instances
        • Manage instances
          • View the instance list
          • Instance overview
          • Stop and restart instances
          • Unit migration
        • Manage tenants
          • Tenant overview
          • Create a tenant
          • Modify tenant specifications
          • Modify tenant names
          • Add an endpoint
          • Resource isolation
            • Overview
            • Manage resource groups
              • Create a resource group
              • View a resource group
              • Edit a resource group
              • Delete a resource group
            • Manage isolation rules
              • Create an isolation rule
              • View isolation rules
              • Edit an isolation rule
              • Delete a quarantine rule
          • Modify primary zone
          • Modify the maximum number of connections for a tenant proxy
          • Enable the AI function built-in AI models
          • Monitor tenant performance
            • Overview
            • View performance and SQL monitoring details
            • View transaction monitoring details
            • View storage and cache monitoring details
            • View Binlog service monitoring
            • Customize a monitoring dashboard for a tenant
          • Diagnostics
            • Real-time diagnostics
              • SQL diagnostics
                • Top SQL
                • Slow SQL
                • Suspicious SQL
                • High-risk SQL
              • SQL audit
          • Manage tenant parameters
            • Manage tenant parameters
            • Parameters for tenants
            • Parameter template overview
          • Delete a tenant
          • Manage databases and accounts
            • Create accounts
            • Manage accounts
            • Create a database (MySQL compatible mode)
            • Manage databases (MySQL compatible mode)
        • Monitor instance performance
          • Overview
          • Monitor the performance of databases in an instance
          • Monitor multidimensional metrics of an instance
          • Monitor the performance of hosts in an instance
          • Monitor database proxy
          • Monitor database proxy hosts
          • Monitor cross-cloud network performance
          • Customize a monitoring dashboard for an instance
        • Manage major compactions
          • Initiate a major compaction
          • View compaction records
          • Update time for compactions
        • Manage instance parameters
          • Manage parameters
          • Parameters for cluster instances
        • Change instance configurations
          • Set storage auto-scaling
          • View history of configuration changes
          • Change configuration
          • Switch the deployment mode
        • Manage standby instances
          • Overview
          • Create a standby instance
          • Create a cross-cloud standby instance
          • View details of primary and standby instances
          • Configure global endpoint
          • Enable automatic forwarding for write requests of standby databases
          • Primary-standby instance switchover
          • Initiate failover
          • Detach a standby instance
          • Release a standby instance
        • Release an instance
        • Database proxy
          • Overview
          • Manage database proxy
          • Direct load
        • Manage alerts
          • Overview
          • Manage alert rules
            • Create an alert rule
            • View an alert rule
            • Edit an alert rule
            • Delete an alert rule
          • View alert history
          • Manage alert templates
            • Create a trigger condition template
            • View an alert template
            • Edit an alert template
            • Copy an alert rule template
            • Delete an alert template
          • Manage muting rules
            • Create an alert muting rule
            • View an alert muting rule
            • Edit an alert muting rule
            • Delete an alert muting rule
          • Manage alert notification templates
            • Create an alert notification template
            • View an alert notification template
            • Edit an alert notification template
            • Copy an alert notification template
            • Delete an alert notification template
          • Manage alert contacts
            • Add an alert contact
            • Add an alert contact group
            • View an alert contact
            • Edit an alert contact
            • Delete an alert contact
            • Obtain a webhook URL
          • Monitoring metrics for alerts
        • Backup and restore
          • Overview
          • Backup strategy
          • Initiate a backup immediately
          • Data backup
          • Initiate a restore
          • Data restore
          • Restore data from the instance recycle bin
        • Diagnostics
          • View performance monitoring data
          • Capacity diagnostics
          • One-click diagnostics
            • Initiate one-click diagnostics
            • View one-click diagnostic report
              • Exceptions
              • Real-time diagnostics
              • Optimization suggestions
              • Capacity management
              • Security management
          • Real-time diagnostics
            • SQL diagnostics
              • Top SQL
              • Slow SQL
              • Suspicious SQL
              • High-risk SQL
              • SQL details
              • SQL monitoring metrics list
            • Session management
              • Session management
            • Request analysis
              • Request analysis
          • Root cause diagnostics
            • Exception handling
            • Enable system autonomy
          • SQL audit
          • Materialized view analysis
          • Optimization center
            • Optimization suggestions
            • Manage active outlines
            • SQL review
            • View the optimization history
        • Manage read-only replicas
          • Overview
          • Instance read-only replicas
            • Add a read-only replica to an instance
            • View read-only replicas of an instance
            • Manage read-only replicas of an instance
            • Delete a read-only replica of an instance
          • Tenant read-only replicas
            • Add a read-only replica to a tenant
            • View read-only replicas of a tenant
            • Manage read-only replicas of a tenant
            • Delete a read-only replica of a tenant
        • Manage tags
        • Manage JVM-dependent services
      • Data source management
        • Connect via private network
          • Google Cloud
        • Connect via public network
          • Google Cloud
      • Overview of data source management
      • Data lifecycle management
        • Overview
        • Archive data
        • Clean up data
        • Data archiving configurations
      • Manage recycle Bin
        • Instance recycle bin
        • Manage databases and tables in recycle bin
          • Overview
          • Instance-level recycle bin
          • Tenant-level recycle bin
    • Work with analytical instances
      • Overview
      • Core features
      • Connect to an instance
        • Overview
        • Get connection string
          • Overview
          • Connect using AWS PrivateLink
          • Connect using Huawei Cloud VPC Endpoint
          • Connect using a public IP address
        • Connect with clients
          • Connect to OceanBase Cloud by using Client ODC
          • Connect to OceanBase Cloud by using a MySQL client
          • Connect to OceanBase Cloud by using OBClient
        • Connect with drivers
          • Java
            • Connect to OceanBase Cloud by using Spring Boot
            • Connect to OceanBase Cloud by using Spring Batch
            • Connect to OceanBase Cloud by using Spring Data JDBC
            • Connect to OceanBase Cloud by using Spring Data JPA
            • Connect to OceanBase Cloud by using Hibernate
            • Connect to OceanBase Cloud by using MyBatis
            • Connect to OceanBase Cloud using MySQL Connector/J
          • Python
            • Connect to OceanBase Cloud by using mysqlclient
            • Connect to OceanBase Cloud by using PyMySQL
            • Connect to OceanBase Cloud using MySQL Connector/Python
          • C
            • Connect to OceanBase Cloud using MySQL Connector/C
          • Go
            • Connect to OceanBase Cloud using Go-SQL-Driver/MySQL
          • PHP
            • Connect to OceanBase Cloud using PHP
        • Use database connection pool
          • Database connection pool configuration
          • Connect to OceanBase Cloud by using a Tomcat connection pool
          • Connect to OceanBase Cloud by using a C3P0 connection pool
          • Connect to OceanBase Cloud by using a Proxool connection pool
          • Connect to OceanBase Cloud by using a HikariCP connection pool
          • Connect to OceanBase Cloud by using a DBCP connection pool
          • Connect to OceanBase Cloud by using Commons Pool
          • Connect to OceanBase Cloud by using a Druid connection pool
      • Create an instance
      • Data table design
        • Table overview
        • Best practices
          • Unit 1: Best practices for optimizing storage structures and query performance
          • Unit 2: Best practices for creating special indexes
      • Export data
      • OceanBase data processing
      • Query acceleration
        • Statistics
        • Materialized views for query acceleration
        • Select a query parallelism level
      • Manage instances
        • Instance overview
        • Change configuration
        • Set storage auto-scaling
        • Modify primary zone
        • Manage parameters
        • Backup and restore
          • Backup overview
          • Backup strategies
          • Immediate backup
          • Data Backup
          • Initiate restore
          • Data restore
        • Monitor instance performance
          • Overview
          • Monitor the performance of databases in an instance
          • Monitor the performance of hosts in an instance
        • Manage major compactions
          • Initiate a major compaction
          • View compaction records
          • Update time for compactions
        • Database proxy
          • Overview
          • Manage database proxy
          • Direct load
        • Manage alerts
          • Overview
          • Manage alert rules
            • Create an alert rule
            • View an alert rule
            • Edit an alert rule
            • Delete an alert rule
          • View alert history
          • Manage alert templates
            • Create a trigger condition template
            • View an alert template
            • Edit an alert template
            • Copy an alert template
            • Delete an alert template
          • Manage muting rules
            • Create an alert muting rule
            • View an alert muting rule
            • Edit an alert muting rule
            • Delete an alert muting rule
          • Manage alert notification templates
            • Create an alert notification template
            • View an alert notification template
            • Edit an alert notification template
            • Copy an alert notification template
            • Delete an alert notification template
          • Manage alert contacts
            • Add an alert contact
            • Add an alert contact group
            • View an alert contact
            • Edit an alert contact
            • Delete an alert contact
            • Obtain a webhook URL
          • Monitoring metrics for alerts
        • Diagnostics
          • View performance monitoring data
          • Capacity diagnostics
          • Real-time diagnostics
            • SQL diagnostics
              • Top SQL
              • Slow SQL
              • Suspicious SQL
              • High-risk SQL
              • SQL details
              • SQL monitoring metrics list
            • Session management
              • Session management
            • Optimization management
              • Manage active outlines
              • View the optimization history
            • Request analysis
              • Request analysis
        • Stop and restart instances
        • Release instances
        • Manage databases and accounts
          • Create and manage accounts
          • Create a database
          • Manage databases
        • Manage tags
      • Overview of data source management
      • Data lifecycle management
        • Archive data
        • Clean up data
      • Performance diagnosis and tuning
        • Use the DBMS_XPLAN package for performance diagnostics
        • Use the GV$SQL_PLAN_MONITOR view for performance analysis
        • Views related to AP performance analysis
      • Performance testing
      • Product integration
      • Manage recycle Bin
        • View instance recycle bin
        • Manage databases and tables in recycle bin
          • Overview
          • Instance recycle bin
    • Work with Key-Value instances
      • Try out Key-Value instances
        • Create an instance
        • Create a tenant
        • Create an account for a database user
        • OBKV HBase data operation examples
      • Use Table model
        • Create an instance
        • Manage instances
          • Manage instances
            • View the instance list
            • Instance overview
            • Stop and restart instances
            • Release an instance
          • Manage tenants
            • Create a tenant
            • Modify tenant specifications
            • Modify tenant names
            • Delete a tenant
            • Tenant overview
            • Resource isolation
              • Overview
              • Manage resource groups
                • Create a resource group
                • View a resource group
                • Edit a resource group
                • Delete a resource group
              • Manage isolation rules
                • Create an isolation rule
                • View isolation rules
                • Edit an isolation rule
                • Delete a quarantine rule
            • Monitor tenant performance
              • Overview
              • View performance and SQL monitoring details
              • View transaction monitoring details
              • View storage and cache monitoring details
              • OBKV-Table
              • Customize a monitoring dashboard for a tenant
            • Diagnostics
              • Top SQL
            • Manage tenant parameters
              • Manage tenant parameters
              • Parameters for tenants
            • Manage databases and accounts
              • Create and manage accounts
              • Create a database
              • Manage databases
            • Modify primary zone
          • Monitor instance performance
            • Overview
            • Monitor the performance of databases in an instance
            • Monitor multi-dimensional metrics of an instance
            • Monitor the performance of hosts in a cluster
            • Customize monitoring dashboards for an instance
          • Manage major compactions
            • Initiate major compactions
            • View compaction records
            • Update time for compactions
          • Manage instance parameters
            • Parameter management overview
            • Parameters for cluster instances
          • Change instance configurations
            • Set storage auto-scaling
            • View history of configuration changes
            • Change configuration
            • Switch the deployment mode
          • Database proxy
            • Overview
            • Manage database proxy
          • Manage alerts
            • Overview
            • Manage alert rules
              • Create an alert rule
              • View an alert rule
              • Edit an alert rule
              • Delete an alert rule
            • View alert history
            • Manage alert templates
              • Trigger condition template management
              • Create an alert template
              • View an alert template
              • Edit an alert template
              • Copy an alert template
              • Delete an alert template
            • Manage muting rules
              • Create an alert muting rule
              • View an alert muting rule
              • Edit an alert muting rule
              • Delete an alert muting rule
            • Manage alert contacts
              • Add an alert contact
              • Add an alert contact group
              • View an alert contact
              • Edit an alert contact
              • Delete an alert contact
              • Obtain a webhook URL
            • Monitoring metrics for alerts
          • Backup and restore
            • Backup overview
            • Backup strategies
            • Immediate backup
            • Data backup
            • Initiate restore
            • Data restore
          • Diagnostics
            • View performance monitoring data
            • Top SQL
            • Capacity diagnostics
            • Request analysis
          • Manage recycle Bin
            • View instance recycle bin
            • Manage databases and tables in recycle bin
              • Overview
              • Instance-level recycle bin
              • Tenant-level recycle bin
          • Manage tags
      • Use HBase model
        • OBKV-HBase Overview
        • Create an instance
        • Develop in HBase model
          • Connect to an instance by using the OBKV-HBase client
        • Manage instances
          • Manage instances
            • View the instance list
            • Instance overview
            • Stop and restart instances
            • Release an instance
          • Manage tenants
            • Create a tenant
            • Modify tenant specifications
            • Modify tenant names
            • Delete a tenant
            • Tenant overview
            • Resource isolation
              • Overview
              • Manage resource groups
                • Create a resource group
                • View a resource group
                • Edit a resource group
                • Delete a resource group
              • Manage isolation rules
                • Create an isolation rule
                • View isolation rules
                • Edit an isolation rule
                • Delete a quarantine rule
            • Monitor tenant performance
              • Overview
              • View performance and SQL monitoring details
              • View transaction monitoring details
              • View storage and cache monitoring details
              • OBKV-HBase
              • Customize a monitoring dashboard for a tenant
            • Diagnostics
              • Top SQL
            • Manage tenant parameters
              • Manage tenant parameters
              • Parameters for tenants
            • Manage databases and accounts
              • Create and manage accounts
              • Create a database
              • Manage databases
            • Modify primary zone
          • Monitor instance performance
            • Overview
            • Monitor the performance of databases in an instance
            • Monitor multi-dimensional metrics of an instance
            • Monitor the performance of hosts in a cluster
            • Customize monitoring dashboards for an instance
          • Manage major compactions
            • Initiate major compactions
            • View compaction records
            • Update time for compactions
          • Manage instance parameters
            • Parameter management overview
            • Parameters for cluster instances
          • Change instance configurations
            • Set storage auto-scaling
            • View history of configuration changes
            • Change configuration
            • Switch the deployment mode
          • Database proxy
            • Overview
            • Manage database proxy
          • Manage alerts
            • Overview
            • Manage alert rules
              • Create an alert rule
              • View an alert rule
              • Edit an alert rule
              • Delete an alert rule
            • View alert history
            • Manage alert templates
              • Trigger condition template management
              • Create an alert template
              • View an alert template
              • Edit an alert template
              • Copy an alert template
              • Delete an alert template
            • Manage muting rules
              • Create an alert muting rule
              • View an alert muting rule
              • Edit an alert muting rule
              • Delete an alert muting rule
            • Manage alert contacts
              • Add an alert contact
              • Add an alert contact group
              • View an alert contact
              • Edit an alert contact
              • Delete an alert contact
              • Obtain a webhook URL
            • Monitoring metrics for alerts
          • Backup and restore
            • Backup overview
            • Backup strategies
            • Immediate backup
            • Data backup
            • Initiate restore
            • Data restore
          • Diagnostics
            • View performance monitoring data
            • Top SQL
            • Capacity diagnostics
            • Request analysis
          • Manage recycle Bin
            • View instance recycle bin
            • Manage databases and tables in recycle bin
              • Overview
              • Instance-level recycle bin
              • Tenant-level recycle bin
          • Manage tags
        • Overview of data source management
        • Performance test
      • Connect Key-Value instances
        • Overview
        • Connect using Huawei Cloud VPC Endpoint
        • Connect using a public IP address
  • AI Features
    • AI services
      • Overview of AI service
      • Quick start
      • Manage AI API keys
      • Use AI models
      • Use Claude Code with OceanBase MaaS
      • Use Codex CLI and Codex App with OceanBase MaaS
      • Use the memory feature
      • AI APIs
        • Access guide
        • AI service APIs
          • AI API list
          • Anthropic compatible APIs
            • List Anthropic models
            • Create a message
            • Create a message (default base URL)
          • OpenAI compatible APIs
            • List models
            • Create chat completion
            • Create embedding
            • Rerank
            • Reranks
            • Create response
          • Vertex AI compatible APIs
            • Generate content
            • Stream generate content
          • Image and video generation APIs
            • Create an image generation task
            • Create a video generation task
            • Retrieve task status
          • Image model APIs
            • gpt-image-2 text-to-image
            • gpt-image-2 image editing
            • gemini-3-pro-image text-to-image
            • gemini-3-pro-image image-to-image / image editing
          • OpenAI compatible batches and files APIs
            • Upload file
            • List files
            • Retrieve file
            • Delete file
            • Get file content
            • Get file content (POST)
            • Create batch
            • List batches
            • openai-compatible-apis
            • Retrieve batch (POST)
            • Cancel batch
          • Memory APIs
            • listSpaces - Paginated list of memory spaces
            • createSpace - Create a memory space
            • getSpace - Get details of a specified memory space
            • updateSpace - Update the name and description of a space
            • deleteSpace - Delete a space
            • extractMemories - Extract memories from dialogue messages
            • listMemories - List memories in a space
            • addMemory - Add a memory directly
            • getMemory - Retrieve a single memory
            • updateMemory - Update a single memory
            • deleteMemory - Delete a single memory
            • distillMemory - Distill experiences from conversations
            • searchExperiences - Search for experiences
            • getExperience - Retrieve a single experience
            • deleteExperience - Delete a single experience
            • feedbackExperiences - Submit feedback on experiences
            • setExperienceObsolescence - Set the obsolete status of an experience
            • combinedSearch - Combined search for memories and experiences
      • Built-in models
    • OceanBase OAgent
      • What is OceanBase OAgent?
      • Quick start with OceanBase OAgent
      • Configure a channel
      • Set skills
      • View OceanBase OAgent token usage
  • Migrations
    • Data migration and import solutions
    • Data assessment and migration quick start
    • Assess compatibility
      • Overview
      • Perform online assessment
      • Perform offline assessment
      • Manage compatibility assessment tasks
        • View a compatibility assessment task
        • View and download a compatibility assessment report
        • Stop a compatibility assessment task
        • Delete a compatibility assessment task
      • Obtain files for upload
      • Configure PrivateLink
      • Add an IP address to an allowlist
    • Data source management
      • Create a data source
      • Manage data sources
      • User privileges
        • User privileges for compatibility assessment
        • User privileges for data migration
        • User privileges for performance assessment
        • User privileges for data archiving
        • User privileges for data cleanup
      • Connect via private network
        • AWS
        • Huawei Cloud
        • Alibaba Cloud
        • Azure
        • Private IP address range
      • Connect via public network
        • AWS
        • Huawei Cloud
        • Alibaba Cloud
        • Azure
      • Connect via VPC peering
        • Configure an AWS data service peering connection
        • Configure a Huawei Cloud data service peering connection
        • Configure an Alibaba Cloud data service peering connection
        • Configure a Google Cloud data service peering connection
    • Migrate data
      • Overview
      • Migrations specification
      • Purchase a data migration instance
      • Migrate data from a MySQL database to the MySQL-compatible mode of OceanBase Database
      • Migrate data from OceanBase Database in MySQL-compatible mode to a MySQL database
      • Data migration between tenants of OceanBase Database in the same compatibility mode
      • Migrate data between OceanBase database tenants of different compatibility modes
      • Migrate data from an Oracle database to an Oracle-compatible tenant of OceanBase Database
      • Migrate data from an Oracle-compatible tenant of OceanBase Database to an Oracle database
      • Configure a two-way synchronization task
      • Migrate data from OceanBase Database to Kafka
      • Migrate data from a TiDB database to the MySQL-compatible mode of OceanBase Database
      • Migrate incremental data from OceanBase Database in MySQL-compatible mode to TiDB Database
      • Migrate data from a PostgreSQL database to OceanBase Database
      • Migrate incremental data from OceanBase Database to PostgreSQL Database
      • Migrate data from a Lindorm/HBase database to the HBase API compatible mode of OceanBase Database
      • Migrate incremental data from OceanBase Database in HBase API compatibility mode to a Lindorm/HBase database
      • Migrate data from OceanBase Database to RocketMQ
      • Migrate data from OceanBase Database to DataHub
      • Migrate data from OceanBase Database in MySQL mode to ADB
      • Migrate data from PolarDB-X 2.0 to OceanBase Database in MySQL mode
      • Manage data migration tasks
        • View details of a data migration task
        • Rename a data migration task
        • View and modify migration objects
        • View and modify migration parameters
        • Configure alert monitoring
        • Manage data migration tasks by using tags
        • Intelligent diagnosis
        • Start, stop, and resume a data migration task
        • Clone a data migration task
        • Terminate and release a data migration task
      • Features
        • Custom DML/DDL configurations
        • DDL synchronization scope
        • Use SQL conditions to filter data
        • Rename a migration object
        • Set an incremental synchronization timestamp
        • Instructions on schema migration
        • Configure and modify matching rules
        • Wildcard rules
        • Import migration objects
        • Download conflict data
        • Change a topic
        • Column filtering
        • Data formats
        • Partition settings
      • Authorize an Alibaba Cloud account
      • SQL statements for querying table objects
      • Online DDL tools
      • Create a trigger
      • Modify the log level of a self-managed PostgreSQL instance
      • Supported DDL statements for synchronization and their limitations
        • DDL synchronization from Aurora MySQL DB clusters to MySQL-compatible tenants of OceanBase Database
        • DDL synchronization from MySQL-compatible tenants of OceanBase Database to Aurora MySQL DB clusters
        • DDL synchronization between MySQL-compatible tenants of OceanBase Database
        • DDL synchronization from Oracle databases to Oracle-compatible tenants of OceanBase Database
        • DDL synchronization from Oracle-compatible tenants of OceanBase Database to Oracle databases
        • DDL synchronization between Oracle-compatible tenants of OceanBase Database
        • DDL synchronization from OceanBase databases to Kafka instances
    • Data subscription
      • Create a data subscription task
      • Manage data subscription tasks
        • View details of a data subscription task
        • Configure subscription information
        • Modify the name of a data subscription task
        • View and modify subscription objects
        • View data subscription parameters
        • Set up data subscription alerts
        • Start, stop, and resume data subscription tasks
        • Clone a data subscription task
        • Release a data subscription task
      • Manage private connections for data subscriptions
      • Configure consumer subscription
      • Message formats
    • Data validation
      • Overview
      • Create a data validation task
      • Manage data validation tasks
        • View details of a data validation task
        • View and modify validation objects
        • View and modify validation parameters
        • Manage data validation tasks with tags
        • Start, pause, and resume data validation tasks
        • Clone a data validation task
        • Release a data validation task
      • Features
        • Import validation objects
        • Rename the validation object
        • Filter objects by using SQL conditions
        • Configure the matching rules for the validation object
    • Assess performance
      • Overview
      • Obtain traffic files from a database instance
      • Create a full performance assessment task
      • Create an SQL file parsing task
      • Create an SQL file replay task
      • Manage performance assessment tasks
        • View the details of a performance assessment task
        • View a performance assessment report
        • Retry and stop a performance assessment task
        • Delete a performance assessment task
      • Obtain a database instance
      • Create an access key
    • Import data
      • Import data
      • Direct load
      • Supported file formats and encoding formats for Data Import
      • Sample data introduction
    • Binlog service
      • Overview
      • Purchase the Binlog service
      • Manage Binlog service
        • View details of the Binlog service
        • Change configuration
        • Modify the auto-scaling strategy for storage space
        • Modify the elasticity strategy for compute units
        • Disable the Binlog service
    • Upgrade assistant
  • Security
    • OceanBase Cloud account settings
      • Manage personal account information
      • Multi-factor authentication
      • Organization authentication
        • Enable organization authentication
        • Configure IdP
      • Manage AccessKeys
      • Time zone settings
      • Manage cloud marketplace accounts
      • Account audit
    • Organizations and projects
      • Overview
      • Manage organization information
      • Project management
        • Manage projects
        • Cross-project bidirectional authorization
        • AI settings
        • Manage object storage configurations
        • Subscribe to project messages
      • Manage members
      • Permissions for roles
      • Cost management
        • Overview
        • Cost details
        • Manage cost units
      • Operation audit
    • Database accounts and privileges
      • Account privileges
      • Authorize cloud vendor accounts
      • AWS KMS key management
      • Support access control
    • Security and encryption
      • Set allowlist groups
      • SSL encryption
      • Transparent Data Encryption (TDE)
    • Monitoring dashboard
    • Events
    • Support plans
      • Overview of OceanBase Cloud support plans
      • Subscribe to and manage support plans
  • SQL Console
    • Overview
    • Access SQL Console
    • SQL editing and execution
    • PL compilation
    • Result set editing
    • Execution analysis
    • Database object management
      • Create a table
      • Create a view
      • Create a function
      • Create a stored procedure
      • Create a program package
      • Create a trigger
      • Create a type
      • Create a sequence
      • Create a synonym
    • Session variable management
    • Functional keys in SQL Console
    • Intelligent SQL development
  • Integrations
    • Overview
    • Schema evolution
      • Liquibase
      • Flyway
    • Data ingestion
      • Canal
      • dbt
      • Debezium
      • Flink
      • Glue
      • Informatica Cloud
      • Kafka
      • Maxwell
      • SeaTunnel
      • DataWorks
      • NiFi
    • SQL development
      • DataGrip
      • DBeaver
      • Navicat
      • TablePlus
    • Orchestration
      • DolphinScheduler
      • Linkis
      • Airflow
    • Visualization
      • Grafana
      • Power BI
      • Quick BI
      • Superset
      • Tableau
    • Observability
      • Datadog
      • Prometheus
    • Database management
      • Bytebase
    • AI
      • LlamaIndex
      • Dify
      • LangChain
      • Tongyi Qianwen
      • OpenAI
      • n8n
      • Trae
      • SpringAI
      • Cline
      • Cursor
      • Continue
      • Toolbox
      • CamelAI
      • Firecrawl
      • Hugging Face
      • Ollama
      • Google Gemini
      • Cloudflare Workers AI
      • Qoder
      • OpenCode
      • Claude Code
      • GitHub Copilot
      • Codex
      • Jina AI
      • Augment Code
      • Claude Code
      • Kiro
    • Development tools
      • Cloudflare Workers
      • Vercel
  • Best practices
    • Best practices for achieving high availability through cross-cloud active-active deployment
    • High availability through cross-cloud primary-standby databases (1:1)
    • High availability through cross-cloud primary-standby databases (1:n)
    • High host CPU usage
    • Best practices for read/write splitting in OceanBase Cloud
    • Best practices for migrating data from AWS RDS to OceanBase Cloud
  • References
    • System architecture
    • System management
    • Database object management
    • Database design and specification constraints
    • SQL reference
    • System views
    • Parameters and system variables
    • Error codes
    • Performance tuning
    • Open API References
      • Overview of Open APIs
      • Service endpoints
      • Using API
      • Open APIs
        • Cluster management
          • DescribeInstances
          • DescribeInstance
          • CreateInstance
          • DeleteInstance
          • ModifyInstanceName
          • describe-node-options
          • StopCluster
          • StartCluster
          • ModifyInstanceSpec
          • DescribeInstanceTopology
          • DescribeReadonlyInstances
          • CreateReadonlyInstance
          • ModifyReadonlyInstanceSpec
          • ModifyReadonlyInstanceDiskSize
          • ModifyReadonlyInstanceNodeNum
          • DeleteReadonlyInstance
          • DescribeInstanceAvailableRoZones
          • DescribeInstanceParameters
          • UpdateInstanceParameters
          • DescribeInstanceParametersHistory
          • ModifyInstanceTagList
          • ModifyInstanceNodeNum
          • DescribeInstanceAnomalyEvents
          • DescribeOasClusterAnomalySqlList
          • DescribeOasClusterSlowSQLList
          • DescribeInstanceSqlAuditServiceInfo - Query SQL Audit Service Information
          • DescribeProxyClusterForInstance - Query ODP clusters associated with an instance
          • SwitchoverInstance - Perform a primary/standby switchover
        • Tenant management
          • DescribeTenants
          • DescribeTenant - Query Information of a Specified Tenant in a Specified Cluster
          • CreateTenants
          • DeleteTenants
          • ModifyTenantName
          • ModifyTenant
          • ModifyTenantUserDescription
          • ModifyTenantUserStatus
          • GetTenantCreateConstraints
          • ModifyTenantPrimaryZone
          • GetTenantCreateCpuConstraints
          • GetTenantCreateMemConstraints
          • GetTenantModifyCpuConstraints
          • GetTenantModifyMemConstraints
          • CreateTenantSecurityIpGroup
          • DescribeTenantSecurityIpGroups
          • ModifyTenantSecurityIpGroup
          • DeleteTenantSecurityIpGroup
          • DescribeTenantPrivateLink
          • DeletePrivatelinkConnection
          • CreatePrivatelinkService
          • ConnectPrivatelinkService
          • AddPrivatelinkServiceUser
          • BatchKillProcessList
          • DescribeProcessStatsComposition
          • DescribeTenantAddressInfo - Query Tenant Address Information
          • DescribeTenantAvailableRoZones
          • ModifyTenantReadonlyReplica
          • DescribeTenantParameters
          • UpdateTenantParameters
          • DescribeTenantParametersHistory
          • ModifyTenantTagList
          • CreateReadonlyPrivatelink
          • CreateReadwritePrivatelink
          • DescribeTenantPublicAddress - Query Tenant Public IP Address
          • DescribeTenantSqlAuditServiceInfo - Query SQL Audit Service Information for a Tenant
        • Tenant user management
          • CreateTenantUser
          • DescribeTenantUsers
          • DeleteTenantUsers
          • ModifyTenantUserPassword
          • ModifyTenantUserRoles
        • Database management
          • CreateDatabase
          • DescribeDatabases
          • DeleteDatabases
          • ModifyDatabaseUserRoles
          • DescribeTableSchema
        • Backup and restore
          • DescribeDataBackupSet
          • DescribeRestorableTenants
          • ModifyBackupStrategy
          • CreateTenantRestoreTask
          • CreateDataBackupTask
          • DescribeOneDataBackupSet
          • CreateBackupSetDownloadLink - Create a backup set download link
          • DeleteBackupSetDownloadTask - Delete a backup set download task
          • DescribeBackupSetDownloadLink - Query a backup set download link
          • DescribeBackupStrategy - Query backup strategy
        • Database proxy management
          • CreateTenantAddress
          • CreateTenantSingleTunnelSLBAddress
          • DeleteTenantAddress
          • DescribeTenantAddress
          • ModifyOdpClusterSpec
          • ModifyTenantAddressPort
          • ModifyTenantAddressDomainPrefix
          • ConfirmPrivatelinkConnection
          • DescribeTenantAddressInfo
        • Data source management
          • ListDataSources - List data sources
          • CreateDataSource - Create a data source
          • DeleteDataSource - Delete a data source
        • OMS project management
          • DescribeProject - Query project details
          • CreateProject - Create a project
          • DeleteProject - Delete a project
          • DescribeProjectSteps - Query project steps
          • StartProject - Start a project
          • StopProject - Stop a project
          • ResumeProject - Resume a project
          • ReleaseProject - Release project resources
          • UpdateProjectConfig - Update project configuration
          • ListProjectModifyRecords - List project modification records
          • CreateProjectModifyRecords - Create modification records (add or remove tables)
          • CancelProjectModifyRecord - Cancel a modification record
          • RetryProjectModifyRecords - Retry a modification
          • StopProjectModifyRecords - Terminate a modification
          • GetModifyRecord - Query modification record details
          • DescribeTransferMapping - Query transfer object mappings
        • Monitoring management
          • DescribeTenantMetrics
          • DescribeMetricsData
          • CreatePrometheusIntegration - Create a Prometheus Monitoring Integration
          • DeletePrometheusIntegration - Delete Prometheus Monitoring Integration
          • ListPrometheusIntegration - Query Prometheus Monitoring Integration List
          • DescribeNodeMetrics
        • Diagnostic management
          • DescribeOasTopSQLList
          • DescribeOasAnomalySQLList
          • DescribeOasSlowSQLList
          • DescribeOasSQLText
          • DescribeSqlAudits
          • DescribeOutlineBinding
          • DescribeSampleSqlRawTexts
          • DescribeSQLTuningAdvices
          • DescribeOasSlowSQLSamples
          • DescribeOasSQLTrends
          • DescribeOasSQLPlanGroup
          • DescribeRcaRecord
          • DescribeTopSQLComparision
          • DescribeSessionStatsGroupBySqlId
          • DescribeIndexes
          • DescribeOasHighRiskSQL
        • Security management
          • CreateSecurityIpGroup
          • DescribeInstanceSSL
          • ModifyInstanceSSL
          • DescribeTenantEncryption
          • ModifyTenantEncryption
          • ModifySecurityIps
          • DeleteSecurityIpGroup
          • DescribeTenantSecurityConfigs
          • DescribeInstanceSecurityConfigs
        • Tag management
          • DescribeTags
          • CreateTags
          • UpdateTag
          • DeleteTag
        • Historical event management
          • DescribeOperationEvents
        • AI service management
          • CreateAIServiceAPIKey
          • DeleteAIServiceAPIKey
          • ListAIServiceAPIKeys
      • Open API FAQ
      • Differences between ApsaraDB for OceanBase APIs and OceanBase Cloud APIs
    • Download OBClient
      • Download OBClient
      • Download OceanBase Connector/J
      • Download client ODC
      • Download OceanBase Connector/ODBC
      • Download OBClient Libs
    • Performance Tests
      • OLTP performance test: Sysbench benchmark
      • OLAP performance test: TPC-H benchmark
      • OLTP performance test: TPC-C benchmark
    • Metrics References
      • Cluster database
      • Cluster hosts
      • Binlog service
      • Cross-cloud network channel connection
      • Performance and SQL
      • Transactions
      • Storage and caching
      • Proxy database
      • Proxy host
    • ODC User Guide
      • What is ODC?
        • What is ODC?
        • Limitations
      • Quick start
        • Client ODC
          • Overview
          • Install Client ODC
          • Use Client ODC
        • Web ODC
          • Overview
          • Use Web ODC
      • Data source management
        • Create a data source
        • Data sources and project collaboration
        • Database O&M
          • Session management
          • Global variable management
          • Recycle bin management
      • SQL development
        • Edit and execute SQL statements
        • Perform PL compilation and debugging
        • Edit and export the result set of an SQL statement
        • Execution analysis
        • Generate test data
        • System settings
        • Database objects
          • Table objects
            • Overview
            • Create a table
          • View objects
            • Overview
            • Create a view
            • Manage views
          • Materialized view objects
            • Overview
            • Create a materialized view
            • Manage materialized views
          • Function objects
            • Overview
            • Create a function
            • Manage functions
          • Stored procedure objects
            • Overview
            • Create a stored procedure
            • Manage stored procedures
          • Sequence objects
            • Overview
            • Create a sequence
            • Manage sequences
          • Package objects
            • Overview
            • Create a program package
            • Manage program packages
          • Trigger objects
            • Overview
            • Create a trigger
            • Manage triggers
          • Type objects
            • Overview
            • Create a type
            • Manage types
          • Synonym objects
            • Overview
            • Create a synonym
            • Manage synonyms
      • Import and export
        • Import schemas and data
        • Export schemas and data
      • Database change management
        • User permission management
          • Users and roles
          • Automatic authorization
          • User permission management
        • Project collaboration management
        • Risk levels, risk identification rules, and approval processes
        • SQL check specifications
        • SQL window specification
        • Database change management
        • Batch database change management
        • Online schema changes
        • Synchronize shadow tables
        • Schema comparison
      • Data lifecycle management
        • Partitioning plan management
          • Manage partitioning plans
          • Set partitioning strategies
          • Examples
        • SQL plan task
      • Data desensitization and auditing
        • Desensitize data
        • Operation records
      • Notification management
        • Overview
        • View notification records
        • Manage notification channel
          • Create a notification channel
          • View, edit, and delete a notification channel
          • Configure a custom channel
        • Manage notification rules
      • Best practices
        • Tips for SQL development
        • Explore ODC team workspaces
        • Understanding real-time SQL diagnostics for OceanBase AP
        • OceanBase historical database solutions
        • ODC SQL check for automatic identification of high-risk operations
        • Manage and modify sharded databases and tables via ODC
        • Data masking and control practices
        • Enterprise-level control and collaboration: Safeguard every database change
    • Data development
      • Overview
      • Workspace management
      • Worksheet management
      • Compute node pool management
      • Workflow management
      • Dashboard management
      • Manage Git repositories
      • SQL development
        • SQL editing and execution
        • Result set editing
        • Execution analysis
        • Database object management
          • Create a table
          • Create a view
          • Create a function
          • Create a stored procedure
        • Session variable management
        • Git integration
      • Sample datasets
      • Data development terms
  • Manage Billing
    • Access billing
    • View bills
      • View orders
    • View monthly bills
    • View payment details
    • Manage AI service billing
      • Usage monitoring
      • View API key records
      • Rate limits & quotas
    • Payment method
      • Use vouchers for payment
    • View invoices
  • Legal Agreements
    • OceanBase Cloud Services Agreement
    • AI Service Addendum
    • Service Level Agreement
    • OceanBase Data Processing Addendum
    • Service Level Agreement for OceanBase Cloud Migration Service
    • Historical agreements
      • Service Level Agreement for OceanBase Cloud Migration Service (Released March 20, 2026)

Download PDF

Document Feedback
  1. Documentation Center
  2. OceanBase Cloud

DescribeOasTopSQLList

Last Updated:2026-09-29 03:08:41

Overview
API details
Constraints
Request path
Request parameters
Response parameters
Examples
Request example
Response example

Overview

You can call this API to query the list of SQL execution performance data collected by the diagnostic system.

API details

Constraints

The caller must have an AccessKey for accessing APIs of OceanBase Cloud. For information about how to obtain the AccessKey ID and AccessKey secret, see Manage AccessKeys.

Request path

GET /api/v2/instances/{instanceId}/tenants/{tenantId}/topSql

Request parameters

Name
Type
Required
Description
Example value
instanceId string Yes The ID of the OceanBase Cloud instance. ob317v4uif****
tenantId string Yes The ID of the tenant. t4louaeei****
requestId string Yes The request ID for tracking. dc302d76-66b5-48d8-ab53-a035********
startTime string Yes The start time for querying the top SQL statements. The time must be in UTC and in the format of: YYYY-MM-DDThh:mm:ssZ. 2023-04-12T04:38:38Z

Note

Escape special characters in the time parameter, such as colons ( : ). For example, 2023-04-12T05:38:38Z must be escaped as 2023-04-12T04%3A38%3A38Z when it is used as a URL request parameter.

endTime string Yes The end time for querying the top SQL statements. The time must be in UTC and in the format of: YYYY-MM-DDThh:mm:ssZ. 2023-04-12T05:38:38Z

Note

Escape special characters in the time parameter, such as colons ( : ). For example, 2023-04-12T05:38:38Z must be escaped as 2023-04-12T04%3A38%3A38Z when it is used as a URL request parameter.

dbName string No The name of the database. test_db
searchKeyWord string No The keyword for the query. update
nodeIp string No The IP address of the node. i-bp18l4****str4uk03
filterCondition string No All fields are referenced by using the @ symbol. For information about the optional fields, see the columns returned by the Query SQL Performance Statistics API. @avgCpuTime > 20 and @executions > 100
sqlTextLength long No The maximum length of the returned SQL text. 65535
limit integer No The maximum number of results to return. 100
mergeDynamicSql boolean No Whether to merge dynamic SQL statements. true
sqlId string No The unique identifier of the SQL statement. sql_123456789
dynamicSql boolean No Whether the SQL statement is dynamic. false
customColumns array[string] No The custom columns. ["executions", "avgCpuTime"]
httpServletRequest unknown Yes The HTTP servlet request. N/A

Response parameters

Name
Type
Description
Example value
object The return result of the request.
Data object [] The list of TopSQL information.
executions double The total number of executions during the period. 1
rpcCount double The number of RPCs during the period. 0.0
remotePlans double The number of remote executions during the period. 0
missPlans double The number of times the execution plan is not hit during the period. 0
maxElapsedTime double The maximum response time during the period. 13643.3
totalWaitTime double The total waiting time during the period, in milliseconds. 10.966
execPs double The average number of executions per second during the period. 0.31
maxCpuTime double The maximum CPU time, in milliseconds. 13641.9
cpuPercentage double The CPU usage. 100.0
clientIp string The IP address of the client. i-bp1db****38uemejio
userName string The username. test_user
dbName string The name of the database. test_db
retCode4012Count long The number of times result code 4012 occurs during the period. 0
retCode4013Count long The number of times result code 4013 occurs during the period. 0
retCode5001Count long The number of times result code 5001 occurs during the period. 0
retCode5024Count long The number of times result code 5024 occurs during the period. 0
retCode5167Count long The number of times result code 5167 occurs during the period. 0
retCode5217Count long The number of times result code 5217 occurs during the period. 0
retCode6002Count long The number of times result code 6002 occurs during the period. 0
failPercentage double The error percentage during the period. 0.0
sumWaitTime double The total waiting time during the period, in milliseconds. 9421.73
avgWaitCount double The average number of waits during the period. 0.0
avgRpcCount double The average number of RPCs sent during the period. 8.0
localPlanPercentage double The percentage of local plans in the period. 0.0
remotePlanPercentage double The percentage of remote plans in the period. 0.0
distPlanPercentage double The percentage of distributed plans in the period. 100.0
sumElapsedTime double The total response time in the period (in milliseconds). 11452126.36
avgNetTime double The average network transmission time in the period (in milliseconds). 0.0
avgExecutorRpcCount double The average number of RPC requests executed in the period. 0.0
missPlanPercentage double The plan hit rate in the period. 0.0
tableScanPercentage double The percentage of table scans in the period. 0.0
strongConsistencyPercentage double The percentage of strong consistency transactions in the period. 100.0
weakConsistencyPercentage double The percentage of weak consistency transactions in the period. 0.0
maxAffectedRows double The maximum number of rows affected in the period. 10000.0
maxReturnRows double The maximum number of rows returned in the period. 0.0
maxWaitTime double The maximum wait time in the period (in milliseconds). 3.4
maxApplicationWaitTime double The maximum Application event wait time in the period (in milliseconds). 0.0
maxConcurrencyWaitTime double The maximum Concurrency event wait time in the period (in milliseconds). 0.0
maxUserIoWaitTime double The maximum UserIO event wait time in the period (in milliseconds). 0.0
maxDiskReads double The maximum number of physical reads in the period. 0.0
avgExpectedWorkerCount double The average parallelism in the period. 3
avgUsedWorkerCount double The average number of SQL threads used in the period. 3
sumLogicalReads double The total logical reads of SQL in the period. 0.0
server string The server where the SQL statement is executed. xxx.xxx.x.xxx:xxxx
serverIp string The IP address of the server where the SQL statement is executed. xxx.xxx.x.xxx:xxxx
serverPort long The port of the server where the SQL statement is executed. 389
sqlTextShort string The text of the SQL statement (first 100 characters). delete /*+ XXX PARALLEL(4) */ fro
sqlType string The type of the SQL statement. select
sqlId string The SQL ID. 8D6E84****0B8FB1823D199E2CA1****
inner boolean Indicates whether the SQL statement is an internal one. false
waitEvent string The longest wait event in the period. none
avgAffectedRows double The average number of rows updated in the period. 9978.75
avgReturnRows double The average number of rows returned in the period. 0.0
avgPartitionCount double The average number of partitions accessed in the period. 1.0
failCount double The number of errors. 0
avgWaitTime double The average wait time (ms) in the period. 1442.49
avgElapsedTime double The average response time (ms) in the period. 903.29
avgCpuTime double The average CPU time (ms) in the period. 1875.34
avgNetWaitTime double The average network enqueue time (ms) in the period. 0.0
avgQueueTime double The average queue time (ms) in the period. 0.01
avgDecodeTime double The average syntax parsing time (ms) in the period. 0.0
avgGetPlanTime double The average plan generation time (ms) in the period. 0.0
avgExecuteTime double The average plan execution time (ms) in the period. 1895.7
avgApplicationWaitTime double The average Application event wait time (ms) in the period. 0.0
avgConcurrencyWaitTime double The average Concurrency event wait time (ms) in the period. 0.0
avgUserIoWaitTime double The average UserIO event wait time (ms) in the period. 0.0
avgScheduleTime double The average Schedule event wait time (ms) in the period. 0.0
avgRowCacheHit double The average number of RowCache hits in the period. 0.0
avgBloomFilterCacheHit double The average number of BloomFilterCache hits in the period. 0.0
avgBlockCacheHit double The average number of BlockCache hits in the period. 0.0
avgBlockIndexCacheHit double The average number of BlockIndexCache hits in the period. 0.0
avgDiskReads double The average number of physical reads in the period. 0.0
retryCount double The total number of retries in the period. 0
avgMemstoreReadRows double The number of rows read from memory. 0.0
avgSsstoreReadRows double The number of rows read from the disk. 0.0
avgLogicalReads double The average number of logical reads in the period. 0.0

Examples

Request example

curl --request GET \
  --digest -u '<Your AccessKey ID:AccessKey Secret>' \
  -G \
  -d 'requestId={requestId}' \
  -d 'startTime=2024-08-27T00%3A35%3A32Z' \
  -d 'endTime=2024-08-27T06%3A05%3A32Z' \
  -d 'dbName={dbName}' \
  -d 'searchKeyWord={searchKeyWord}' \
  -d 'nodeIp={nodeIp}' \
  -d 'filterCondition={filterCondition}' \
  -d 'sqlTextLength={sqlTextLength}' \
  -d 'limit={limit}' \
  -d 'mergeDynamicSql={mergeDynamicSql}' \
  -d 'sqlId={sqlId}' \
  -d 'dynamicSql={dynamicSql}' \
  -d 'customColumns={customColumns}' \
  --url 'https://api-cloud.oceanbase.com/api/v2/instances/{instanceId}/tenants/{tenantId}/topSql' \
  -H 'X-Ob-Project-Id: <Project ID>'

Notice

  • Special characters in parameters must be escaped. For example, -d'@avgCpuTime>0' is rewritten as -d'%40avgCpuTime%3E0'. Colons (:) are special characters in time parameters and must be escaped.
  • A project ID uniquely identifies a project. For more information about how to obtain the project ID of an instance, see Manage projects.
  • Make sure that the project ID corresponding to the specified instanceId is consistent with the specified project ID.

Response example

JSON format

    {
      "RequestId": "EE205C00-30E4-****-****-87E3A8A2AA0C",
      "Data": [
        {
          "executions": 1,
          "rpcCount": 0,
          "remotePlans": 0,
          "missPlans": 0,
          "maxElapsedTime": 13643.3,
          "totalWaitTime": 10.966,
          "execPs": 0.31,
          "maxCpuTime": 13641.9,
          "cpuPercentage": 100,
          "clientIp": "i-bp1db****38uemejio",
          "userName": "test_user",
          "dbName": "test_db",
          "retCode4012Count": 0,
          "retCode4013Count": 0,
          "retCode5001Count": 0,
          "retCode5024Count": 0,
          "retCode5167Count": 0,
          "retCode5217Count": 0,
          "retCode6002Count": 0,
          "failPercentage": 0,
          "sumWaitTime": 9421.73,
          "avgWaitCount": 0,
          "avgRpcCount": 8,
          "localPlanPercentage": 0,
          "remotePlanPercentage": 0,
          "distPlanPercentage": 100,
          "sumElapsedTime": 11452126.36,
          "avgNetTime": 0,
          "avgExecutorRpcCount": 0,
          "missPlanPercentage": 0,
          "tableScanPercentage": 0,
          "strongConsistencyPercentage": 100,
          "weakConsistencyPercentage": 0,
          "maxAffectedRows": 10000,
          "maxReturnRows": 0,
          "maxWaitTime": 3.4,
          "maxApplicationWaitTime": 0,
          "maxConcurrencyWaitTime": 0,
          "maxUserIoWaitTime": 0,
          "maxDiskReads": 0,
          "avgExpectedWorkerCount": 3,
          "avgUsedWorkerCount": 3,
          "sumLogicalReads": 0,
          "server": "xxx.xxx.x.xxx:xxxx",
          "serverIp": "xxx.xxx.x.xxx:xxxx",
          "serverPort": 389,
          "sqlTextShort": "delete /*+ XXX PARALLEL(4) */ fro",
          "sqlType": "select ",
          "sqlId": "8D6E84****0B8FB1823D199E2CA1****"}]}

Previous topic

DescribeNodeMetrics
Last

Next topic

DescribeOasAnomalySQLList
Next
on this page
Overview
API details
Constraints
Request path
Request parameters
Response parameters
Examples
Request example
Response example