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6. 事务特性.md
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wonder
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Update: MySQL
2025-09-26 13:07:32 +08:00
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事务特性
原子性
undo log
事务中操作要么全部完成要么全部不完成
一致性
其他特性共同保障
数据满足完整性约束
隔离性
MVCC
避免并发事务执行顺序导致结果不一致
持久性
redo log
将修改持久化到硬盘
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