Java and Databases by Roberto Zicari · Published May 1, 2004 · Updated February 16, 2014 Chris Smith, MindIQ Persistence strategies for Java; incl. EJB, Hibernate, JDO and db4o. DOWNLOAD (PDF) or (PPT)
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Approaches to Adding Persistence to Java January 1, 1996 by Roberto Zicari · Published January 1, 1996 · Last modified February 19, 2014