select
de.dept_no,
e.emp_no,
s.salary
from employees e
join dept_emp de
on e.emp_no = de.emp_no
join salaries s
on de.emp_no = s.emp_no
where e.emp_no not in
(
select
dm.emp_no
from dept_emp de2
left join dept_manager dm
on de2.dept_no = dm.dept_no
)