The target audience of the book is EJB 3.0 application developers who want to learn about the practical use of EJB 3.0 database persistence with Oracle Fusion Middleware 11g. Those who are already using EJB 3.0 database persistence will learn about using EJB 3.0 database persistence with Oracle Fusion Middleware 11g. We won't be discussing the EJB 3.0 specification in much detail but you can refer - JSR-000220 (http://jcp.org/aboutJava/communityprocess/final/jsr220/index.html) for more information. This book is suitable for professional Java EE developers. The book is also suitable for an intermediate/advanced level course in EJB 3.0. The target audience is expected to have prior, albeit beginner's, knowledge about Java EE, EJBs, EJB 3.0, JSF, ADF Faces, Ajax, Web Services, and XML. The book also requires some familiarity with WebLogic Server and Java EE IDEs, JDeveloper, and Eclipse.