Illustrates how to interpret a federated query execution plan.
阐释如何解释联邦查询执行计划。
The output of the query optimizer on a federated system is the Federated Query Execution Plan (FQEP).
联邦系统上查询优化器的输出是联邦查询执行计划（Federated Query Execution Plan，FQEP）。
When an application submits a query to the federated system, the federated server identifies the relevant data sources, and develops a query execution plan for obtaining the requested data.
当应用程序向联邦系统提交一个查询时，联邦服务器识别相关数据源，并生成一个用于获得被请求数据的查询执行计划。
When an application submits a query to the federated system, the federated server identifies the relevant data sources, and develops a query execution plan for obtaining the requested data.
当应用程序向联邦系统提交一个查询时，联邦服务器识别相关数据源，并生成一个用于获得被请求数据的查询执行计划。
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