April 24, 2009[From OTN]
Oracle Database 11g introduced several new PL/SQL features and tools that help you analyze the performance of large applications and improve application performance. This column focuses on some of those new features and also presents sample questions of the type you may encounter when taking the Oracle Database 11g: Advanced PL/SQL exam. Successful completion of this exam enables you to earn the Oracle Advanced PL/SQL Developer Certified Professional certificate.
The article continues at http://www.oracle.com/technology/oramag/oracle/09-mar/o29ocp.html