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---
title: 常见SQL优化手段总结付费
category: 高性能
head:
- - meta
- name: keywords
content: 分页优化,索引,Show Profile,慢 SQL
- - meta
- name: description
content: SQL 优化是一个大家都比较关注的热门话题,无论你在面试,还是工作中,都很有可能会遇到。如果某天你负责的某个线上接口,出现了性能问题,需要做优化。那么你首先想到的很有可能是优化 SQL 优化,因为它的改造成本相对于代码来说也要小得多。
---
**常见 SQL 优化手段总结** 相关的内容为我的[知识星球](https://javaguide.cn/about-the-author/zhishixingqiu-two-years.html)(点击链接即可查看详细介绍以及加入方法)专属内容,已经整理到了[《Java 面试指北》](https://javaguide.cn/zhuanlan/java-mian-shi-zhi-bei.html)中。
![](https://oss.javaguide.cn/javamianshizhibei/sql-optimization.png)
[《Java 面试指北》](https://javaguide.cn/zhuanlan/java-mian-shi-zhi-bei.html)(点击链接即可查看详细介绍)的部分内容展示如下,你可以将其看作是 [JavaGuide](https://javaguide.cn) 的补充完善,两者可以配合使用。
![](https://oss.javaguide.cn/xingqiu/image-20220304102536445.png)
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