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修改：不可重复读和幻读区别中对幻读的描述 #1567

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Snailclimb merged 1 commit into from
Feb 22, 2022
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修改：不可重复读和幻读区别中对幻读的描述 #1567

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2 changes: 1 addition & 1 deletion docs/database/mysql/mysql知识点&面试题总结.md
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Expand Up @@ -241,7 +241,7 @@ MySQL InnoDB 引擎通过 **锁机制**、**MVCC** 等手段来保证事务的

**不可重复读和幻读区别：**

不可重复读的重点是修改比如多次读取一条记录发现其中某些列的值被修改，幻读的重点在于新增或者删除比如多次读取一条记录发现记录增多或减少了。
不可重复读的重点是修改比如多次读取一条记录发现其中某些列的值被修改，幻读的重点在于新增或者删除比如多次查询同一条查询语句（DQL）时，记录发现记录增多或减少了。

### 事务隔离级别有哪些?

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