题解 | 获取所有非manager的员工emp_no
获取所有非manager的员工emp_no
https://www.nowcoder.com/practice/32c53d06443346f4a2f2ca733c19660c
SELECT emp_no FROM employees where emp_no not in (SELECT emp_no FROM dept_manager where to_date = '9999-01-01' group by emp_no ) 答案是直接not in,个人看法是一人可能多部门领导,另外需要筛选出在职领导
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