事务的原子性是指（）。 -题库考试答案搜索网

事务的原子性是指（）。

单选题

2021-09-06 20:48

A、事务一旦提交，对数据库的改变是永久的
B、一个事务内部的操作及使用的数据对并发的其他事务是隔离的
C、事务中包括的所有操作要么都做，要么都不做
D、事务必须是使数据库从一个一致性状态变到另一个一致性状态

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正确答案

C

试题解析

标签：福建师范大学会计

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