本例中的EJB组件使用JNDI查询来确定数据库连接池资源的位置。

The EJB component in this example USES a JNDI lookup to locate the database connection pool resource.

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这个平台中包括多个编辑器、图形编辑器、特性(nature)、构建器、一个WebService向导、一些数据库访问和查询工具和其他一些组件。

Included in this platform are multiple editors, graphical editors, natures, builders, a Web Service wizard, database access and query tools, and other components.

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RQP (RelationalQueryPlanner)-对数据库(SQL)准备和执行关系型查询的内部组件。

RQP (relational Query Planner) - internal component that prepares and executes relational queries (SQL) against databases.

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信息服务支持组件提供的功能还可以帮助将服务接口映射为访问整合数据库中的数据的查询。

Functionality of the information service enablement component can also help to map a service interface to a query that accesses the data in the consolidated database.

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查询优化器是数据库系统最重要的组件之一。

The query optimizer is one of the most important components of a database system.

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例如，数据库连接组件可能不会选择在设计时查询数据库。

For example, a database connection component may choose not to query the database at design time.

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例如，数据库连接组件可能不会选择在设计时查询数据库。

For example, a database connection component may choose not to query the database at design time.

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