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Merge branch 'master' of github.com:Snailclimb/JavaGuide
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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,
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**InnoDB 存储引擎的锁的算法有三种:**
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- Record lock:单个行记录上的锁
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- Record lock:记录锁,单个行记录上的锁
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- Gap lock:间隙锁,锁定一个范围,不包括记录本身
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- Next-key lock:record+gap 锁定一个范围,包含记录本身
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- Next-key lock:record+gap临键锁,锁定一个范围,包含记录本身
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## 查询缓存
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