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OceanBase Connector/J

V2.2.0
  • 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
    • Handle SQL exceptions
    • 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
    • Use CallableStatements to call stored procedures
    • 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
    • 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
    • Call PL stored procedures
    • Result set performance
    • Create a multi-level collection type
    • 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 V2.2.0

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  3. V2.2.0

java.sql.ResultSetMetaData

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

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
JDBC 4 supported in Oracle mode
JDBC 4 supported in MySQL mode
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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