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MySQL 性能优化技巧
source link: https://juejin.im/post/59d83f1651882545eb54fc7e
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原文地址：MySQL 性能优化技巧博客地址：www.extlight.com 一、背景 最近公司项目添加新功能，上线后发现有些功能的列表查询时间很久。原因是新功能用到旧功能的接口，而这些旧接口的 SQL 查询语句关联5,6张表且编写不够规范，导致 MySQL
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