题解 | #查找当前薪水详情以及部门编号dept_no#
获取所有员工当前的manager
http://www.nowcoder.com/practice/e50d92b8673a440ebdf3a517b5b37d62
先用部门关联查询出所有有部门人的信息,然后去除管理干部表里面的
SELECT
e.emp_no AS emp_no,
m.emp_no AS manager
FROM
dept_emp AS e
INNER JOIN dept_manager AS m ON e.dept_no = m.dept_no
WHERE
e.emp_no NOT IN ( SELECT emp_no FROM dept_manager );