Lc177-第N高的薪水
作者:互联网
/* 编写一个 SQL 查询,获取 Employee 表中第 n 高的薪水(Salary)。 +----+--------+ | Id | Salary | +----+--------+ | 1 | 100 | | 2 | 200 | | 3 | 300 | +----+--------+ 例如上述 Employee 表,n = 2 时,应返回第二高的薪水 200。如果不存在第 n 高的薪水,那么查询应返回 null。 +------------------------+ | getNthHighestSalary(2) | +------------------------+ | 200 | +------------------------+ 来源:力扣(LeetCode) 链接:https://leetcode-cn.com/problems/nth-highest-salary 著作权归领扣网络所有。商业转载请联系官方授权,非商业转载请注明出处。 */ CREATE FUNCTION getNthHighestSalary(N INT) RETURNS INT BEGIN SET n = N-1; RETURN ( # Write your MySQL query statement below. select ifnull((select distinct Salary from employee order by salary desc limit n,1),null) as salary ); END
标签:Salary,200,Lc177,salary,薪水,+----+--------+,+------------------------+ 来源: https://blog.51cto.com/u_12550160/2819924