SQL217 值相同排序相同稠密排序dense_rank
对所有员工的薪水按照salary降序进行1-N的排名
https://www.nowcoder.com/practice/b9068bfe5df74276bd015b9729eec4bf
select emp_no, salary, dense_rank() over(order by salary desc) t_rank from salaries
对所有员工的薪水按照salary降序进行1-N的排名
https://www.nowcoder.com/practice/b9068bfe5df74276bd015b9729eec4bf
select emp_no, salary, dense_rank() over(order by salary desc) t_rank from salaries
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