题解 | #查找入职员工时间排名倒数第三的员工所有信息#
查找入职员工时间排名倒数第三的员工所有信息
http://www.nowcoder.com/practice/ec1ca44c62c14ceb990c3c40def1ec6c
使用窗口函数
select
a.*
from
(
select *
from employees
) a
inner join
(
select
*
from
(
select
emp_no
,DENSE_RANK()over(order by hire_date desc) as ranking
from employees
) t
where ranking = 3
) b
on a.emp_no=b.emp_no
