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锁
David Liu
January 2, 2023
Less than 1 minute
锁
保证数据并发访问一致性、有效性
锁冲突也是数据库并发访问性能的一个重要因素
按照粒度分,主要分为三类:
全局锁:
表级锁:
行级锁:
问题:
死锁
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