This is a practical, tutorial-style book that includes many examples that demonstrate how to develop EJB 3.0 database persistence applications with Oracle Fusion Middleware 11g. Every chapter starts with setting the environment for the chapter and includes an example application illustrated with figures at milestone stages. This book is aimed at EJB 3.0 application developers who want to learn about the practical use of EJB 3.0 database persistence with Oracle Fusion Middleware. Those who are already using EJB 3.0 database persistence will learn about using EJB 3.0 database persistence with Oracle Fusion Middleware 11g. The target audience is expected to have some prior knowledge about Java EE, EJBs, EJB 3.0, JSF, AJAX, web services, and XML. This book is ideal for those developers who have working knowledge of JDeveloper and WebLogic server, and wish to learn about the practical use of EJB 3.0 with Oracle Fusion Middleware.