This article also introduced JPA Manager Beans and explained how you can use them in a Web application to handle all of the data persistence logic.

本篇文章还引入了JPA Manager Beans，并解释了怎样在Web应用软件中使用它们，以处理所有的数据支持逻辑。

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All of the tools introduced in this article can be used by themselves from the command line.

本文中介绍的所有工具都可以从命令行中由其自己使用。

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All the new XML access guidelines introduced in this article may be nested within these relational join guidelines to specify the inner or outer leg of the join.

本文介绍的所有新的XML访问准则可能会被嵌入到这些关系型连接准则中，从而指定连接的inner leg或outer leg。

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