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Difference between revisions of "EclipseLink/UserGuide/JPA/Basic JPA Development/Configuration/JPA/persistence.xml"

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=persistence.xml=
 
A persistence unit configures various details that are required when you acquire an entity manager. You specify a persistence unit by name when you acquire an entity manager factory.
 
  
You configure persistence units in the JPA persistence descriptor file: '''persistence.xml'''.
 
  
In this file, you can specify the vendor extensions that this reference describes by using a '''<properties>''' element.
 
  
 
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'''[[Image:Elug_draft_icon.png|Warning]] See "About the Persistence Unit" in the [http://www.eclipse.org/eclipselink/documentation/ EclipseLink Concepts Guide]'''
{{EclipseLink_JPA}}
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Latest revision as of 10:47, 25 January 2013


Warning See "About the Persistence Unit" in the EclipseLink Concepts Guide