题解 | #获取所有员工当前的manager#
获取所有员工当前的manager
https://www.nowcoder.com/practice/e50d92b8673a440ebdf3a517b5b37d62
select a.emp_no as emp_no, b.emp_no as manager from dept_emp as a inner join dept_manager as b on a.dept_no = b.dept_no where a.emp_no != b.emp_no