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notes/数据库系统原理.md
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- 在并发的情况下，多个事务并行执行，事务不仅要满足原子性，还需要满足隔离性，才能满足一致性。
- 事务满足持久化是为了能应对数据库崩溃的情况。
<div align="center"> <img src="../pics//12f958ee-ea02-481a-86ae-acc24934ad80.png" width="450"/> </div><br>
<div align="center"> <img src="../pics//6675d713-8b59-4067-ad16-fdd538d4bb43.png" width="450"/> </div><br>
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