Tuning SQL queries is not simple; it involves a well-planned and well-designed test strategy, careful observations and in-depth analysis.
SQL查询的调优并不简单;它包含计划和设计都很好的测试策略、细致的观察和深入的分析。
You can create user interfaces and test advanced features like tuning without needing specialized hardware or a functioning television broadcast environment.
您可以创建用户界面并测试高级功能(如调台),而无需专门的硬件或有用的电视广播环境。
Test your application and repeat from Step 1 again until you have achieved your tuning goal.
测试应用程序,然后重复步骤1,直到达到你的调优目标为止。
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