Introducing HQL: The Object-Oriented Query Language from Hibernate
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Description: In the previous article, we explored Hibernate, a popular Open Source O/R Mapping framework for J2EE-based enterprise applications. Hibernate automates to a large extent the creation of an efficient persistence layer for the enterprise application. Hibernate makes mapping objects to be persisted to underlying database easier. In other words, Hibernate allows representing an underlying database by using simple Java objects and vice versa.