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https://blog.csdn.net/qq_42692386/article/details/109902949     

2. html SqlServer性能检测和优化工具使用详细 

 https://www.cnblogs.com/knowledgesea/p/3683505.

3.sql语句的优化分析

https://www.cnblogs.com/knowledgesea/p/3686105.html

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https://www.cnblogs.com/knowledgesea/p/4177830.html。

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http://www.javashuo.com/article/p-gpozlqsf-dk.html