This book shows how the Java programmers to develop applications utilizing relational database technologies with examples using Oracle and MySQL and GlassFish application development framework and deployment platform all based on Java EE. This book explains in detail how you can organize your Java EE solution into a layered architecture, placing most emphasis on how to apply the level of persistence and database applications. Through numerous examples, this book shows how you can efficiently use the Java Persistence features available in Java EE platform. Find out how you can greatly simplify the task of building the persistence layer of your Java EE application by moving some application logic into the database, using database views, stored programs, and triggers. The book also explains how to use Java EE applications to GlassFish, the source of free, open Java EE 5? the appropriate application server. What are you? 'll Learn Use the GlassFish persistence layer in conjunction with the GlassFish Java EE application server. Set the level of the database and the persistence of Java EE applications, and utilize MySQL or Oracle database applications when building the database tier. This book is suitable for Java developers who want to learn how to develop Java EE applications interact with relational databases through the Java Persistence API (JPA) and then put them into the open source GlassFish Application Server. About the Apress Beginning Series Early series from Apress is the right choice to get the information you need to land that crucial entry? Job level.