面试性能优化SQL 的相关内容

文章 2024-11-15 来自：开发者社区

大厂面试高频：4 大性能优化策略（数据库、SQL、JVM等）

关注△mikechen的互联网架构△，10年+BAT架构经验倾囊相授大家好，我是 mikechen | 陈睿。最近有同学去大厂，大厂重点考察了性能优化，比如：数据库性能优化如何来做？JVM性能调优怎么做？慢查询优化怎么做...等等问题。我之前就讲过性能优化是必备技能，想拿到更好的薪资或者机会，懂性能优化那是相当的加分项啊。下面我就针对以上问题，重点来谈谈这4大性能优化策略@mikech....

文章 2024-07-10 来自：开发者社区

Java面试题：简述数据库性能优化的常见手段，如索引优化、SQL语句优化等。

数据库性能优化是确保数据库系统高效运行的关键步骤。以下是一些常见的数据库性能优化手段： 1. 索引优化：创建索引：为经常用于查询条件的字段创建索引，可以大大加快查询速度。避免过多索引：虽然索引可以加快查询，但过多索引会减慢写操作，并占用额外空间。使用复合索引：当查询条件包含多个字段时，可以使用复合索引来提高查询效率。 ...

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更新时间 2024-11-16 09:09:41

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