LeetCode - Nth Highest Salary
2015-04-20 23:01
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题目大概意思是要求找出第n高的Salary,直接写一个Function。作为一个SQL新手我学到了1.SQL中Function的写法和变量的定义,取值。2.limit查询分 页的方法。
在这个题目中limit n-1, 1是从n-1开始取出一条数据。这样说比较直观。
在这个题目中limit n-1, 1是从n-1开始取出一条数据。这样说比较直观。
CREATE FUNCTION getNthHighestSalary(N INT) RETURNS INT BEGIN declare M int; set M=N-1; RETURN ( # Write your MySQL query statement below. select distinct Salary from Employee order by Salary desc limit N-1, 1 ); END
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