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banjuer 2021-12-07 11:27:31

DELETE FROM table1 WHERE NOT EXISTS (SELECT * FROM table2 WHERE table1.field1=table2.field1);

(?is)\b(?:from|into|update)\s+(\w+)

据说喜欢分享的,后来都成了大神

你的臭脚被毒蛇咬了，抢救了6个小时，毒蛇终于救了过来。

DELETE FROM table1 WHERE NOT EXISTS (SELECT * FROM table2 WHERE table1.field1=table2.field1);