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.
当应用程序向设备的主机服务器发送一个查询时，处理流程开始。 主机服务器将编译该查询并创建一个优化的查询执行计划。
The action begins when an application sends a query to the appliance host server, which compiles the query and creates an optimized query execution plan.
从版本9.3开始，该实用程序得到了较好的提高；您可以获取详细的查询执行计划，而不必执行该查询。
From version 9.3 on, there is a nice enhancement of this utility; you can get the detailed query execution plan without ever executing the query.
您可能希望重新部署应用程序，以避免因执行计划的维护任务而造成的停机时间，或者通过将应用程序移动到一台功能更强大的服务器来提高性能。
You might want to relocate applications to avoid downtime resulting from scheduled maintenance or to improve performance by moving an application to a more powerful server.
负责单元、模块、综合系统的测试，包括：开始程序的测试、执行计划的测试、运行结果的更正和报告。
Responsible for unit, module, integration and system testing including preparation of test cases, execution of test plan, verification and reporting of test results.
攻击者发送的恶意数据可以欺骗处理程序，以执行计划外的命令或者访问未被授权的数据。
The attacker's hostile data can trick the interpreter into executing unintended commands or accessing unauthorized data.
攻击者发送的恶意数据可以欺骗处理程序，以执行计划外的命令或者访问未被授权的数据。
The attacker's hostile data can trick the interpreter into executing unintended commands or accessing unauthorized data.
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