Archive for diciembre, 2010

links for 2010-12-29

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links for 2010-12-28

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links for 2010-12-26

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links for 2010-12-17

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links for 2010-12-06

  • Now that you have a basic understanding of how to work with Query objects, you can learn what features are available to you for creating your own EJB QL queries. EJB QL is expressed in terms of the abstract persistence schema of an entity: its abstract schema name, basic properties, and relationship properties. EJB QL uses the abstract schema names to identify beans, the basic properties to specify values, and the relationship properties to navigate across relationships.

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