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,d.dept_name
from
(select *
from employees p
left join
dept_emp m
on
p.emp_no=m.emp_no) as e
left join
departments d
on
e.dept_no=d.dept_no;