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Merge pull request #1184 from qyaaaa/master

Update MySQL.md
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@ -130,9 +130,9 @@ MVCC 可以看作是行级锁的一个升级,可以有效减少加锁操作,
**InnoDB 存储引擎的锁的算法有三种:**
- Record lock单个行记录上的锁
- Record lock记录锁,单个行记录上的锁
- Gap lock间隙锁锁定一个范围不包括记录本身
- Next-key lockrecord+gap 锁定一个范围,包含记录本身
- Next-key lockrecord+gap临键锁,锁定一个范围,包含记录本身
## 查询缓存
@ -281,4 +281,4 @@ InnoDB 存储引擎在 **分布式事务** 的情况下一般会用到 **SERIALI
- 《高性能 MySQL》
- https://www.omnisci.com/technical-glossary/relational-database
- https://www.omnisci.com/technical-glossary/relational-database