In this article, we describe our modularization and transaction management approach with Spring and Hibernate. Similar to the OSGi JPA Service Specification and JDBC, it allows each persistent module ...

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 ...

The key to successful Hibernate transaction management is the JPA EntityManager. It's the only JPA component that can start transactions, commit transactions and hook into Hibernate transactions that ...

You’ll also get started with JPA Query Language (JPQL) and use it to execute a few simple database operations on the example application. The complete source code for the example application can be ...