Which JDBC drivers support which versions of JDBC?
Oracle 9.0.1 supports:
    * JDBC 2.0 Extensions except for: using both global and local transactions on the same connection.

Oracle 9.2.0 supports:
    * Partial support for JDBC 3.0: transaction savepoints
    * using both global and local transactions on the same connection.

Oracle 10.1.0 supports:
    * Full support for JDBC 3.0 except for: retrieving auto-generated keys
    * result-set holdability
    * returning multiple result-sets.

Oracle 10.2.0 supports:
      Full support for JDBC 3.0
    * Note that there is no real change in the support for the following in the database. All that has changed is that some methods that previously threw SQLException now do something more reasonable instead. result-set holdability
    * returning multiple result-sets.

Oracle 11.1.0 supports:
      Full support for JDBC 3.0 in the JDK 1.5 drivers.
      Full support for JDBC 4.0 in the JDK 1.6 drivers with the exception of SQLXML which is not supported

详细见：
http://www.oracle.com/technology/tech/java/sqlj_jdbc/htdocs/jdbc_faq.html#02_04

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