) as SecondHeighestSalary; 找第n个数: 1 2 3 4 5 6 7 8 9 10 CREATE FUNCTION getNthHighestSalary(N INT) RETURNS INT BEGIN DECLARE M INT; set N=N-1; RETURN ( # Write your MySQL query statement below. select Salary from Employee order by Salary desc limit 1 offset N ); END 1 ...
这样做是取表中第二个数字为空时,即表中只有一个数字,或者全部数字都是一样的并列第一,无法返回空值 SELECT(SELECTDISTINCTSalaryFROMEmployeeORDERBYSalaryDESCLIMIT1OFFSET1)ASsecondHighestSalary
思路一:where语句限定salary的取值要去掉最大值,从只有第二最大值里面寻找最大值 思路二:limit offset 语句直接选取 需要注意如果原来的表格去掉最大值后为null,则要考虑到null值的情况 代码样例: 思路一: SELECT COALESCE(MAX(Salary)) AS SecondHighestSalary FROM Employee WHERE Salary < (SELECT MAX(Salary) ...
The second largest number is always smaller than the largest number. We use a inner SQL to get the maximum salary and we just need to get the largest number that is smaller than this largest number. Question: Write a SQL query to get the second highest s
For CREATE DATABASE with the AT DBPARTITIONNUM clause, ensure that the database name is in the system database directory with an entry type of INDIRECT and with a catalog database partition number that does not equal -1. Federated system users: in addition to the previous responses, verify...
A Microsoft extension to the ANSI SQL language that includes procedural programming, local variables, and various support functions. 4,705 questions 1 answer Group By and it's Highest Value using SQL Query In the table below, how do I group by Unit and then get the highest value from Quanti...
Use the sample scripts Query sys.dm_os_waiting_tasks Ordered by Session ID or Calculate Waits Over a Time Period to look at current waiting tasks and measure average latch wait time. Use the sample script Query Buffer Descriptors to Determine Objects Causing Latch Contention to determine the ind...
Applies to: SQL Server 2012 (11.x) and later versions, Azure SQL Database, and Azure SQL Managed Instance. Specifies the number of rows to skip before it starts to return rows from the query expression. The value can be an integer constant or expression that is greater than or equal to...
Below are the several ways of finding the Nth highest salary: How to find the second highest salary in SQL Server using a Sub-Query How to find the second highest salary in SQL Server using a CTE How to find the 3rd, 5th highest salary Here we will be using SQL Server 2017, or you...
(DM) The specified column was bound. This description does not apply to drivers that return the SQL_GD_BOUND bitmask for the SQL_GETDATA_EXTENSIONS option inSQLGetInfo. (DM) The number of the specified column was less than or equal to the number of the highest bound column. This descripti...