In this release, Oracle JDBC implements the JDBC 4.0 specification (but SQLXML) on top of Java SE 6 (i.e., JDK 1.6). The drivers may be used with Java SE 5 (i.e., JDK 1.5) but will not have access to JDBC 4.0 capabilities. Other enhancements include security, perfomance, manageability, etc. To learn more, read the Java Developer's Perspective on Oracle Database 11g white paper.
The initial motivation for desupporting SQLJ was its low adoption by the J2EE commnity however, we found out that it has been largely adopted by database developers. Following numerous complaints, and listening to his customers, Oracle has reverted the SQLJ Desupport decision; we have cancelled the Metalink Desupport Notice. Starting with Oracle Database 10g 10.1.0.4 patch set release, the SQLJ translator will be re-enabled, again. In the mean time, customers have full access to SQLJ functionalities using -sqlj option of the new Oracle Database 10g JPublisher utility.
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