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 ...
Test-driven software must often drop, create and populate database tables with records before it runs a suite of unit tests. For this reason, the ability to have JPA frameworks -- such as EclipseLink ...
Community driven content discussing all aspects of software development from DevOps to design patterns. MySQL remains one of the most popular, open-source databases in the Java community, while ...
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 ...
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