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) ); END
misslin 2019-10-08 22:08 原文
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) ); END