Фрагмент Кода

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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);

regex

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

据说喜欢分享的,后来都成了大神

失败乃成功之母，可是我TM失败的次数太多，都不知道谁是亲妈。

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