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Snailclimb merged 1 commit into from
Mar 16, 2026
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Update mysql.md #31

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2 changes: 1 addition & 1 deletion docs/database/mysql.md
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Expand Up @@ -418,7 +418,7 @@ InnoDB 使用缓冲池（Buffer Pool）缓存数据页和索引页，MyISAM 使

### 为什么 InnoDB 没有使用哈希作为索引的数据结构？

> 我发现很多求职者甚至是面试官对这个问题都有误解，他们相当然的认为 MySQL 底层并没有使用哈希或者 B 树作为索引的数据结构。
> 我发现很多求职者甚至是面试官对这个问题都有误解，他们想当然的认为 MySQL 底层并没有使用哈希或者 B 树作为索引的数据结构。
>
> 实际上，不论是提问还是回答这个问题都要区分好存储引擎。像 MEMORY 引擎就同时支持哈希和 B 树。

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