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<title>章節索引: 管理和查詢數據對象</title>
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<!-- var emailAbstract="JDO 是用于對象持久性的第一個標準化的完全面向對象的方法，可以用來簡化 Java 數據庫編程。本教程是為那些對關系數據庫有深入理解的中高級 Java 開發人員設計的，它使用討論、代碼樣本以及上機練習來演示 JOD 的實際應用。";
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var menu5blurb="管理和查詢數據對象";
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