This week's giveaway is in the EJB and other Java EE Technologies forum. We're giving away four copies of EJB 3 in Action and have Debu Panda, Reza Rahman, Ryan Cuprak, and Michael Remijan on-line! See this thread for details.
Apart from that, your JDBC driver might not support all features of a particular JDBC version. What your JDBC driver does and does not support is something that you'll have to lookup in the documentation of your particular JDBC driver.