select e.last_name,e.first_name,dp.dept_name from employees e left join dept_emp d on e.emp_no = d.emp_no left join departments dp on d.dept_no = dp.dept_no
select e.last_name,e.first_name,dp.dept_name from employees e left join dept_emp d on e.emp_no = d.emp_no left join departments dp on d.dept_no = dp.dept_no