where Salary not in (select max(Salary) from Employee) 思路二: SELECT IFNULL( (SELECT DISTINCT Salary FROM Employee ORDER BY Salary DESC LIMIT 1 OFFSET 1), NULL) AS SecondHighestSalary 知识点总结: limit offset 使用 SELECT column_list 选择要读取的列名 FROM table1 选择表名 ORDER BY column_...
找第二大的数SQL-Second Highest Salary 1: 找小于最大的最大的 1 select max(Salary) from Employee where Salary<(select MAX(Salary) from Employee); 2. 排序 1 select Salary from Employee where Salary not in (select MAX(Salary)from Employee) order by Salary desc limit 1; 1 2 3 4 5 ...
In this article, I am going to explain to you how to find the second highest salary in various ways. This is one of the most common questions asked in an SQL interview. Below are the several ways of finding the Nth highest salary: How to find the second highest salary in SQL Server ...
+---+---+ For example, given the above Employee table, the second highest salary is200. If there is no second highest salary, then the query should returnnull. https://leetcode.com/problems/second-highest-salary/ 首先MySQL不支持top语法,要用limit代替。 selectSalaryfromEmployeeorderbySalarydes...
SQL代码: select IFNULL((select distinct(Salary) from Employee order by Salary desc limit 1,1),null) as SecondHighestSalary 学到了一个sql函数IFNULL,该函数的作用是判断查询结果集是否为空,若为空则返回第二个参数 还有一种做法,直接用两个select解决 ...
三、SQL 语句 3.1 自己写的 SELECT a.Salary AS SecondHighestSalary FROM Employee AS a JOIN Employee AS b ON a.Salary < b.Salary GROUP BY a.Id HAVING COUNT(a.Id) = 1; 注意:这种方法是错误的,因为当没有薪水第二高的人的时候,返回的是空值,不是 null。 3.2 修改版 将之前写的变成子查询,就...
7. For example, given the above Employee table, the second highest salary is200. If there is no second highest salary, then the query should returnnull. 解决方案如下: # Write your MySQL query statement below select max(Salary) from Employee where Salary<(select max(Salary) from Employee )...
I have table t1 in sql server and table t2. t1 have id,status column and t2 have id and matchid 2 column. t1 table we have 2 record id status 1 active 1 inactive and t2 table also have 2 record id matchid 2 1 32 1 we want output like ...
Write a SQL query to get the second highest salary from the Employee +---+---+ | Id | Salary | +---+---+ | 1 | 100 | | 2 | 200 | | 3 | 300 | +---+---+ For example, given the above Employee table, the second highest salary is 200...
Only one expression can be specified in the select list when the subquery is not introduced with EXISTS Wednesday, June 24, 2009 4:19 AM Hi, Just wanted to share with you the ones that worked fine for me : TO GET 4th HIGHEST SALARY IN EMP: select top 1 sal from EMP where sal <...