题解 | #获取员工当前的薪水比其mg当前薪水还高的相关信息
获取员工其当前的薪水比其manager当前薪水还高的相关信息
https://www.nowcoder.com/practice/f858d74a030e48da8e0f69e21be63bef
select de.emp_no, dm.emp_no ,sa.salary emp_salary, (select sa2.salary from salaries sa2 where dm.emp_no =sa2.emp_no) manager_salary from dept_emp de left join dept_manager dm on de.dept_no = dm.dept_no left join salaries sa on de.emp_no = sa.emp_no and sa.to_date ='9999-01-01' having emp_salary > manager_salary