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OceanBase Connector/J

V2.4.17
  • What is OceanBase Connector J?
    • Overview of OceanBase Connector/J
    • Compatibility requirements
  • Install Driver
    • Install and load OceanBase Connector/J
  • Instructions
    • Quick start
      • Import packages
      • Establish a database connection
      • Create a Statement object
      • Run queries and retrieve ResultSet objects
      • Process ResultSet objects
      • Close ResultSet and Statement objects
      • Manage tables and data
      • Commit changes
      • Close a database connection
      • Examples
    • Data sources and URL
      • Data source overview
      • Database URL
      • clientInfoProvider
    • Java data streams
      • Overview of Java data streams
      • LONG and LONG RAW data types
      • Use LOBs
        • Overview of LOB data types
        • LOB data interface
        • LOB locator interface
      • CHAR, VARCHAR, and RAW data types
    • Statement caching
      • Overview of statement caching
      • Use statement caching
      • Reuse statement objects
    • Call a stored procedure
    • Handle SQL exceptions
    • Result set
      • Overview of result sets
      • Limitations
      • FetchSize
      • refreshRow
      • useCursorFetch
    • Batch processing
    • Failover and Load-Balancing
      • Failover and load balancing modes
      • LoadBalance strategies
      • Load balancing strategy configuration methods
    • Rich client
    • Logging
    • Network overheads
    • Show Trace
    • Security features
    • Troubleshooting
  • Reference
    • Features specific to the Oracle mode
      • Binary Protocol (Prepared Statements)
        • COM_STMT_PREPARE_EXECUTE
        • COM_STMT_SEND_PIECE_DATA
      • Call PL stored procedures
      • Scrollability of a result set
      • Use ARRAY and STRUCT classes
      • Distributed transactions
        • Overview
        • XA components
        • Distributed transaction examples
      • Obtain remarks
      • Data types supported in Oracle mode
      • Error messages in Oracle mode
    • Supported SQL and PL data types
    • Common APIs
      • Overview
      • 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
      • com.oceanbase.jdbc.ObPrepareStatement
  • Release Notes
    • V2.4
      • OceanBase Connector/J V2.4.17
      • OceanBase Connector/J V2.4.16
      • OceanBase Connector/J V2.4.15
      • OceanBase Connector/J V2.4.14
      • OceanBase Connector/J V2.4.13
      • OceanBase Connector/J V2.4.12
      • OceanBase Connector/J V2.4.11
      • OceanBase Connector/J V2.4.8
      • OceanBase Connector/J V2.4.5
      • OceanBase Connector/J V2.4.4
      • OceanBase Connector/J V2.4.3
      • OceanBase Connector/J V2.4.2
      • OceanBase Connector/J V2.4.1
      • OceanBase Connector/J V2.4.0
    • V2.2
      • OceanBase Connector/J V2.2.11
      • OceanBase Connector/J V2.2.10
      • OceanBase Connector/J V2.2.7
      • OceanBase Connector/J V2.2.6
      • OceanBase Connector/J V2.2.3
      • OceanBase Connector/J V2.2.0

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  3. V2.4.17

java.sql.ResultSetMetaData

Last Updated:2026-09-04 08:24:26

Description
Methods

java.sql.ResultSetMetaData is an interface for describing ResultSet objects.

Description

java.sql.ResultSetMetaData can be used to get information about the types and properties of the columns in a ResultSet object.

Methods

Method
Return type
Supported in Oracle mode
Supported in MySQL mode
getLength(int column) int Yes Yes
getColumnCount() int Yes Yes
isAutoIncrement(int column) Boolean Yes Yes
isCaseSensitive(int column) Boolean Yes Yes
isNullable(int column) int Yes Yes
isSigned(int column) Boolean Yes Yes
getColumnDisplaySize(int column) int Yes Yes
getColumnLabel(int column) String Yes Yes
getColumnName(int column) String Yes Yes
getCatalogName(int column) String Yes Yes
getPrecision(int column) int Yes Yes
getScale(int column) int Yes Yes
getTableName(int column) String Yes Yes
getSchemaName(int column) String Yes Yes
getColumnType(int column) int Yes Yes
getColumnTypeName(int column) String Yes Yes
isReadOnly(int column) Boolean Yes Yes
isWritable(int column) Boolean Yes Yes
isDefinitelyWritable(int column) Boolean Yes Yes
getColumnClassName(int column) String Yes Yes

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