The Jakarta Persistence API (JPA) is a Java specification that bridges the gap between relational databases and object-oriented programming. This two-part tutorial introduces JPA and explains how Java ...

While JPA was originally defined for relational databases, some JPA implementations have been extended for use with NoSQL datastores. EclipseLink, the reference implementation for JPA 3, is a popular ...

Community driven content discussing all aspects of software development from DevOps to design patterns. However, if you want to customize the way a field maps to a database column, you can decorate a ...

This is an obvious point, but there are still many legacy applications that have not moved to an environment that supports annotations. If you are looking at supporting older applications, you simply ...