OReilly Java Data Objects (JDO)-电子书教程下载

OReilly Java Data Objects (JDO) 【J2EE】

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        This book, written by the JDO Specification Lead and one of the key contributors to the JDO Specification, is the definitive work on the JDO API. It gives you a thorough introduction to JDO, starting with a simple application that demonstrates many of JDO's capabilities. It shows you how to make classes persistent, how JDO maps persistent classes to the database, how to configure JDO at runtime, how to perform transactions, and how to make queries. More advanced chapters cover optional features such as nontransactional access and optimistic transactions. The book concludes by discussing the use of JDO in web applications and J2EE environments Whether you only want to read up on an interesting new technology, or are seriously considering an alternative to JDBC or EJB CMP, you'll find that this book is essential. It provides by far the most authoritative and complete coverage available.
        这本书是由铅和JDO规范的主要贡献者之一JDO规范写的，是关于JDO API的最终工作。它给你以 JDO的全面介绍，通过一个简单的应用程序演示了JDO的许多功能开始。这表明，如何使类持久性，如何JDO的映射到数据库，持久化类的JDO如何配置在运行时，如何执行交易，以及如何使查询。更先进的章节涵盖诸如非事务准入和乐观事务可选功能。这本书所讨论的JDO的Web应用和J2EE环境无论您使用的只是想读取一个有趣的新技术，还是正在认真考虑替代JDBC或 EJB的中医的结论是，你会发现这本书是必不可少的。它提供了迄今为止最权威，最完整的覆盖情况。
        Java Data Objects (JDO) is an important innovation for the Java platform. At a time when developers were using JDBC almost exclusively for database access, and expert groups from major enterprise vendors were devising the much-touted Enterprise Java Beans APIs for entity beans and container-managed persistence, Craig Russell and David Jordan had the courage to take a different course. With a handful of others, they looked for a simpler way to provide persistence in the Java platform, something that would be both natural and convenient for programmers. This book describes the result of their work: JDO.
        Java数据对象（JDO）是用于Java平台的重要创新。正当开发商使用JDBC的数据库访问几乎完全，从大企业厂商专家小组，分别制定备受吹捧的实体Bean及货柜企业 Java Beans API的管理的持久性，克雷格大卫罗素和约旦的勇气不同的课程。与少数其他国家，他们寻找一个简单的方法来提供的Java平台，这将是对自然和持久性的编程方便。这本书描述了他们的工作成果：JDO的。

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