题解 | 正确使用DENSE_RANK()窗口函数
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
) AS t_rank
FROM
salaries
ORDER BY
t_rank;

