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MySQL锁机制超详细入门指南——表锁、行锁、间隙锁、元数据锁,含 ...
本文就一起探讨一下表锁、行锁、间隙锁、元数据锁(MDL)用途及避坑点等(本文基于RR隔离级别进行举例)。 开发同学在工作中经常遇到这些问题:数据库明明没报错,为什么接口突然卡顿?为什么简单的更新语句一直未运行完毕?为什么数据会莫名其妙多出 ...
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