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 a.emp_no,a.salary,count(distinct b.salary)+1 as t_rank
from salaries a left join salaries b on a.salary<b.salary
group by a.emp_no
order by t_rank asc,emp_no asc;