# 查询出部门经理的编号，然后用where筛选掉
select de.dept_no,e.emp_no,s.salary
from employees e
     left join dept_emp de on e.emp_no = de.emp_no
     left join salaries s on e.emp_no = s.emp_no
where e.emp_no not in
      (
        select emp_no
        from dept_manager
      )