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OceanBase Connector/J

V2.4.5

  • What is OceanBase Connector J?
    • Overview of OceanBase Connector/J
    • Compatibility requirements
  • Install Driver
    • Install and load the OceanBase Connector/J driver
  • Instructions
    • Quick start
      • Import packages
      • Create 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
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      • Database URL
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      • LONG and LONG RAW data types
      • Use LOBs
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        • 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
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      • Load balancing strategy configuration methods
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    • 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
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      • Obtain comments
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      • Error messages in Oracle mode
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    • Common APIs
      • Overview
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      • 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 V2.4.5
      • 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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Overview of OceanBase Connector/J Compatibility requirements Install and load the OceanBase Connector/J driver Import packages Create 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 source overviewDatabase URL Overview of Java data streams LONG and LONG RAW data types CHAR, VARCHAR, and RAW data types Overview of statement caching Use statement caching Reuse statement objects Call a stored procedure Handle SQL exceptions Overview of result sets Limitations FetchSize refreshRow useCursorFetch Batch processing Failover and load balancing modes LoadBalance strategies Load balancing strategy configuration methods Rich client Logging Network overheads Show Trace Security features Troubleshooting Call PL stored procedures Scrollability of a result set Use ARRAY and STRUCT classes Obtain comments Data types supported in Oracle mode Error messages in Oracle mode Supported SQL and PL data types 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 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 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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java.sql.Statement

Last Updated:2026-04-09 07:21:37  Updated
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java.sql.Statement is an SQL statement interface.

Description

java.sql.Statement is used for executing a static SQL statement and returning the execution results.

By default, only one ResultSet object can be opened for each Statement object at a given time. Therefore, only ResultSet objects generated by different statement objects can be read in an interleaved manner. If an open ResultSet object exists, all execution methods in the Statement interface implicitly close the current ResultSet object of the statement.

Methods

Method Return type Supported in Oracle mode? Supported in MySQL mode?
executeQuery(String sql) ResultSet Yes Yes
executeUpdate(String sql) int Yes Yes
close() void Yes Yes
getMaxFieldSize() int Yes Yes
setMaxFieldSize(int max) void Yes Yes
getMaxRows() int Yes Yes
setMaxRows(int max) void Yes Yes
setEscapeProcessing(boolean enable) void Yes Yes
getQueryTimeout() int Yes Yes
setQueryTimeout(int seconds) void Yes Yes
cancel() void Yes Yes
getWarnings() SQLWarning Yes Yes
clearWarnings() void Yes Yes
setCursorName(String name) void No No
getResultSet() ResultSet Yes Yes
getUpdateCount() int Yes Yes
getMoreResults() Boolean Yes Yes
setFetchDirection(int direction) void No No
getFetchDirection() int Yes Yes
setFetchSize(int rows) void Yes Yes
getFetchSize() int Yes Yes
getResultSetConcurrency() int Yes Yes
getResultSetType() int Yes Yes
addBatch(String sql) void Yes Yes
clearBatch() void Yes Yes
executeBatch() int[] Yes Yes
getConnection() Connection Yes Yes
getGeneratedKeys() ResultSet Yes Yes
execute(String sql, int autoGeneratedKeys) Boolean Yes Yes
execute(String sql, intcolumnIndexes[]) Boolean Yes Yes
execute(String sql,String columnNames[]) Boolean Yes Yes
getResultSetHoldability() int Yes Yes
isClosed() Boolean Yes Yes
setPoolable(boolean poolable) void No No
isPoolable() Boolean Yes Yes
closeOnCompletion() void Yes Yes
isCloseOnCompletion() Boolean Yes Yes
getLargeUpdateCount() long Yes Yes
setLargeMaxRows(long max) void Yes Yes
getLargeMaxRows() long Yes Yes
executeLargeBatch() long[] Yes Yes
executeLargeUpdate(String sql) long Yes Yes
executeLargeUpdate(String sql, int autoGeneratedKeys) long Yes Yes
executeLargeUpdate(String sql, int columnIndexes[]) long Yes Yes
executeLargeUpdate(String sql,String columnNames[]) long Yes Yes

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