题解 | #对所有员工的薪水按照salary降序进行1-N的排名#
对所有员工的薪水按照salary降序进行1-N的排名
http://www.nowcoder.com/practice/b9068bfe5df74276bd015b9729eec4bf
select emp_no,salary,dense_rank()over(order by salary desc) as t_rank
from salaries
where to_date = '9999-01-01'
order by salary desc,emp_no asc
- 提醒自己:虽然窗口函数中对salary排序过,但最后也要按照题意对salary降序排序