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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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