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==Entities and components==
In Hibernate [[jargon]], an ''entity'' is a stand-alone object in Hibernate's [[Persistence (computer science)|persistent]] mechanism which can be manipulated independently of other objects.{{sfn|Bauer|2016}}{{rp|§=4.2|pp=62-74}} In contrast, a ''component'' is subordinate to an entity and can be manipulated only with respect to that entity. For example, an Album object may represent an entity; but the Tracks object associated with the Album objects would represent a ''component'' of the Album entity, if it is assumed that Tracks can only be saved or retrieved from the database through the Album object. Unlike J2EE, Hibernate can switch databases.
==History==
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