What's the difference between Hibernate vs JPA? That's a common question Java developers dabbling on the database side often ask, right up there with difference between Hibernate and JDBC, or how do ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The Java enum, introduced in Java 5, will map to the underlying database without any ...

Every JPA entity has a primary key, but some entities have more than one value as their primary key. In this case, you need to use a composite key. This Java tip introduces you to using composite keys ...

EclipseLink Project co-lead Doug Clarke presented the session “Java Persistence API (JPA) 2.0 with EclipseLink” presentation today at JavaOne 2010. I am a big fan of JPA, but I’m not going to be able ...

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