# JDBC 3.0-only features

JDBC 3.0 adds some functionality to the core API. This section documents the features supported by Derby.
Note: These features are present only in a Java 2 version 1.4 or higher environment.
These features are:

- New DatabaseMetaData methods. See java.sql.DatabaseMetaData.
- Retrieval of parameter metadata. See java.sql.ParameterMetaData and java.sql.PreparedStatement.
- Retrieval of auto-generated keys. See java.sql.Statement and java.sql.DatabaseMetaData.
- Savepoints. See java.sql.Connection.
- HOLD Cursors. See java.sql.DatabaseMetaData.

The complete list:

- java.sql.Connection
- java.sql.DatabaseMetaData
- java.sql.ParameterMetaData
- java.sql.PreparedStatement
- java.sql.Savepoint
- java.sql.Statement

- java.sql.Connection
- java.sql.DatabaseMetaData
- java.sql.ParameterMetaData
- java.sql.PreparedStatement
- java.sql.Savepoint
- java.sql.Statement

Parent topic: JDBC Reference
Related concepts
Core JDBC java.sql Classes, Interfaces, and Methods
Related reference
java.sql.Driver
java.sql.DriverManager.getConnection
java.sql.Driver.getPropertyInfo
java.sql.Connection
java.sql.DatabaseMetaData
java.sql.Statement
java.sql.CallableStatement
java.sql.SQLException
java.sql.PreparedStatement
java.sql.ResultSet
java.sql.ResultSetMetaData
java.sql.SQLWarning
java.sql.SQLXML
Mapping of java.sql.Types to SQL types
java.sql.Blob and java.sql.Clob
java.sql.Connection
java.sql.ResultSet
java.sql.Statement
java.sql.PreparedStatement
java.sql.CallableStatement
java.sql.DatabaseMetaData
java.sql.ResultSetMetaData
java.sql.BatchUpdateException
JDBC Package for Connected Device Configuration/Foundation Profile (JSR169)
JDBC 4.0-only features
JDBC escape syntax