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#

select  d.emp_no,
        m.emp_no manager_no,
        s.salary emp_salary,
        (select s2.salary
        from salaries s2
        where s2.emp_no = m.emp_no)  manager_salary
from dept_emp d
inner join dept_manager m
on d.dept_no = m.dept_no
and d.emp_no != m.emp_no
left join salaries s 
on s.emp_no = d.emp_no
where s.salary > (select s2.salary from salaries s2
                  where s2.emp_no = m.emp_no)

嵌套查询部门经理薪水