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MySQL学习中的TCL的语法知识3(事务的savepoint)

狗啃月亮_Rachel 2022-02-13 阅读 57

文章目录

savepoint 保存点

可以让回滚的时候之回滚到保存点这里保存点上面的不回滚

语法 savepoint 节点名

样例

SELECT * FROM ACCOUNT;

SET autocommit = 0;
START TRANSACTION;
DELETE FROM ACCOUNT WHERE id = 1;
SAVEPOINT a;
DELETE FROM ACCOUNT WHERE id = 2;
ROLLBACK TO a;//只会滚到保存点a那个地方
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