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SQLSERVER事物与锁的问题
2022-04-23 14:47:00 【CSDN问答】
请问,如果两事物同时对一行数据进行更改或读取时,第一个事务的锁会使第二个事务怎样?结束还是暂停?
采纳答案:
1、在一个事务正在更新数据时,其他的事务时不能修改的,只有等上一个事务完成后才能修改,但是不影响对数据的读取;
2、事务是一定存在先后顺序的,哪怕你同时点击两个一起执行;
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https://ask.csdn.net/questions/7693470
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