题解 | #获取员工其当前的薪水比其manager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
http://www.nowcoder.com/practice/f858d74a030e48da8e0f69e21be63bef
select de.emp_no,dm.emp_no,s1.salary,s2.salary
from dept_emp de
join dept_manager dm on de.dept_no=dm.dept_no
join salaries s1 on de.emp_no=s1.emp_no
join salaries s2 on dm.emp_no=s2.emp_no
where s1.salary>s2.salary;