The study in this thesis mainly focuses on the implementation of signal testing and the system performance optimization.

本文的研究内容主要集中在测试功能的实现以及系统性能的优化。

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Those familiar with System I and database query performance analysis and tuning, understand that controlling the optimization goal is a critical step to optimizing performance.

那些熟悉system i和数据库查询性能分析和调优的人就会理解控制优化目标是优化性能的关键步骤。

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DB2 Optimization expert identifies poorly performing SQL and offers a comprehensive set of expert advisors that can help improve system performance and lower total cost of ownership.

DB 2 Optimization Expert识别执行情况较差的SQL并提供一组全面的专家建议程序，帮助改善性能并降低总体所有权成本。

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Understanding the increasing market demand and envisioning security as the Next Big Thing for the Internet, Qihoo 360 launched 360 Safe Guard in 2006, a comprehensive Internet security solution covering system protection, privacy protection and performance optimization.

FORBES: Short-Sellers Are Wrong Because Qihoo 360 Is Different