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OceanBase Connector/J

V2.2.6
  • What is OceanBase Connector J?
    • JDBC overview
    • Compatibility requirements
  • Instructions
    • Install OceanBase Client
    • Basic operations
      • Import packages
      • Create a database connection
      • Create a Statement object
      • Run queries and retrieve ResultSet objects
      • Process a ResultSet object
      • Close ResultSet and Statement objects
      • Modify a database
      • Commit changes
      • Close a database connection
      • Example
    • Handle SQL exceptions
    • Use CallableStatements to call stored procedures
    • Java data streams
      • Overview of Java data streams
      • LONG and LONG RAW data types
      • LOB data types
    • Use LOBs
      • Overview of LOB data types
      • LOB data API
      • LOB locator API
      • CHAR, VARCHAR, and RAW data types
    • Data sources and URL
      • Data source overview
      • Data source characteristics and properties
      • Create and connect to a data source instance
      • Database URL
    • Result set
      • Limits and degradation rules
      • Fetch size
      • Refetch rows
      • Cursor result sets
    • Statement caching
      • Statement caching overview
      • Use statement cache
      • Reuse statement objects
    • Failover and load balancing modes
    • Batch processing
    • JDBC security features
    • SQL NetworkCostInfo
    • Troubleshooting
    • Common APIs
      • java.sql.Connection
      • java.sql.CallableStatement
      • java.sql.DatabaseMetaData
      • java.sql.Driver
      • java.sql.PreparedStatement
      • java.sql.ParameterMetaData
      • java.sql.ResultSet
      • java.sql.ResultSetMetaData
      • java.sql.Statement
      • javax.sql.ConnectionPoolDataSource
      • javax.naming.Context
      • javax.sql.PooledConnection
    • Reference
      • Supported SQL and PL data types
  • Features specific to the Oracle mode
    • Binary Protocol (Prepared Statements)
      • COM_STMT_PREPARE_EXECUTE
      • COM_STMT_SEND_PIECE_DATA
    • Call PL stored procedures
    • Result set performance
    • Use ARRAY and STRUCT classes
    • Distributed transactions
      • Overview of distributed transactions
      • XA components
      • Distributed transaction examples
    • Error messages in Oracle mode
    • Data types supported in Oracle mode
  • Release Notes
    • V2.2
      • OceanBase Connector/J V2.2.11
      • OceanBase Connector/J V2.2.10
      • OceanBase Connector/J V2.2.6
      • OceanBase Connector/J V2.2.3
      • OceanBase Connector/J V2.2.0

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  5. V2.2.6

OceanBase Connector/J V2.2.0

Last Updated:2026-09-04 08:24:25

Version information
Overview
Feature enhancements

Version information

  • Release date: April 12, 2021
  • Version: V2.2.0

Overview

OceanBase Connector/J V2.2.0 is based on OceanBase Connector/J V2.1.0 and improves MySQL compatibility. It can be used for regular business applications.

Feature enhancements

  • Added the client IP extension property for connections.
  • Added support for methods such as getExportedKeys, getImportedKeys, getCrossReference, and getFunctionColumns in DatabaseMetaData in MySQL-compatible mode.
  • Added support for the ZonedDateTime type in setObject in Oracle-compatible mode.

Notice

When characterEncoding is set to true and the tenant's character set encoding is GBK in the current version, data queries and inserts may result in garbled characters.

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