题解 | #查找所有员工的last_name和first_name以及对应的dept_name#
查找所有员工的last_name和first_name以及对应的dept_name
http://www.nowcoder.com/practice/5a7975fabe1146329cee4f670c27ad55
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