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 dept_emp.emp_no, dept_manager.emp_no as manager from dept_manager inner join dept_emp on dept_manager.dept_no=dept_emp.dept_no and dept_manager.emp_no!=dept_emp.emp_no