题解 | #查找所有员工的last_name
查找所有员工的last_name和first_name以及对应部门编号dept_no
https://www.nowcoder.com/practice/dbfafafb2ee2482aa390645abd4463bf
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
