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
用子查询与外连接
SELECT A.last_name,A.first_name,mp.dept_name from departments mp RIGHT JOIN ( SELECT e.last_name,e.first_name,d.dept_no from employees e LEFT JOIN dept_emp d on e.emp_no=d.emp_no ) as A on mp.dept_no=A.dept_no;
