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DELETE [IGNORE] FROM 表名
[WHERE 条件1,条件2,...]
[ORDER BY...]
[LIMIT...];
删除10部门中,工龄超过20年的员工记录
delete from t_emp where deptno=10 and datediff(now(),hiredate)/365>20;
删除20部门中工资最高的员工记录
delete from
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