题解 | #查找所有已经分配部门的员工的信息
查找所有已经分配部门的员工的last_name和first_name以及dept_no
https://www.nowcoder.com/practice/6d35b1cd593545ab985a68cd86f28671
select
a.last_name as last_name,
a.first_name as first_name,
b.dept_no as dept_no
from
(
select
*
from
employees
) a
join (
select
*
from
dept_emp
) b
on a.emp_no=b.emp_no
