select s.emp_no,s.salary,s.from_date,s.to_date,d.dept_no from salaries as s left join dept_manager as d on s.emp_no = d.emp_no where d.dept_no is not null order by s.emp_no asc;
select s.emp_no,s.salary,s.from_date,s.to_date,d.dept_no from salaries as s left join dept_manager as d on s.emp_no = d.emp_no where d.dept_no is not null order by s.emp_no asc;