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修改事务一致性的表述 #535

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Snailclimb merged 1 commit into from
Nov 11, 2019
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修改事务一致性的表述 #535

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2 changes: 1 addition & 1 deletion docs/database/事务隔离级别(图文详解).md
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1. **原子性：** 事务是最小的执行单位，不允许分割。事务的原子性确保动作要么全部完成，要么完全不起作用；
2. **一致性：** 执行事务前后，数据保持一致，多个事务对同一个数据读取的结果是相同的；
2. **一致性：** 执行事务前后，数据保持一致，例如转账业务中，无论事务是否成功，转账者和收款人的总额应该是不变的；
3. **隔离性：** 并发访问数据库时，一个用户的事务不被其他事务所干扰，各并发事务之间数据库是独立的；
4. **持久性：** 一个事务被提交之后。它对数据库中数据的改变是持久的，即使数据库发生故障也不应该对其有任何影响。

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