Christoph Ruepprich has worked as an Oracle DBA and developer since 1999. As a developer, he has worked with Oracle Forms and Reports and has extensive experience with Oracle Application Express. In his current role as Infrastructure Senior Principal at Accenture Enkitec Group, he works on various Oracle development and Application Express projects. In past roles, he has developed a workload characterization application for Oracle E-Business and worked with warehouse control systems and MRP systems. He has also taught Oracle DBA certification courses and is an active presenter on Oracle topics at KScope, Oracle Open World and RMOUG Training Days. He has co-authored the book Expert Oracle Application Expresss, and his blog Christoph’s 2 Oracle Cents contains a wide variety on Oracle-related articles. It can be accessed at http://ruepprich.wordpress.com.