Update mysql-index.md#2307
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Snailclimb merged 1 commit intoSnailclimb:mainfrom Mar 6, 2024
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删除空白换行。 3. **前缀索引(Prefix)**:前缀索引只适用于字符串类型的数据。前缀索引是对文本的前几个字符创建索引，相比普通索引建立的数据更小，因为只取前几个字符。
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删除空白换行。
3. 前缀索引(Prefix):前缀索引只适用于字符串类型的数据。前缀索引是对文本的前几个字符创建索引，相比普通索引建立的数据更小，因为只取前几个字符。