题解 | #查找最晚入职员工的所有信息#
查找当前薪水详情以及部门编号dept_no
http://www.nowcoder.com/practice/c63c5b54d86e4c6d880e4834bfd70c3b
select aa.emp_no,aa.salary,from_date,to_date,dept_no
from
(
select emp_no,salary,from_date,to_date
from salaries
)aa
inner join
(
select emp_no,dept_no
from dept_manager
)as bb
on aa.emp_no=bb.emp_no
group by aa.emp_no,aa.salary,from_date,to_date,dept_no
order by aa.emp_no,aa.salary,from_date,to_date,dept_no
这是用内连接的做法,感觉这样一目了然表达题目的意思