69 -- B3,Example 70 -- Desc:查看类别ID为2的类别名称。 71 --=== 72 use Northwind 73 go 74 75 select ProductName, Case CategoryId 76 When 1 Then 'Beverages' 77 When 2 Then 'Condiments' 78 When 3 Then 'Confections' 79 When 4 Then 'Dairy Products' 80 When 5 Then 'Grains/Cereals...
1.3, selectLEN(oldbm),caseLEN(oldbm)when7then'0'+oldbmelseoldbmendas'oldbm'fromtemp_yb_dw_0711b 1.4,
There are times where you need to write a single TSQL statement that is able to return different TSQL expressions based on the evaluation of another expression. When you need this kind of functionality you can use the CASE expression or IIF function to meet this requirement. In this article I...
当然,以下是关于SQL中SELECT CASE语句的详细文档。 SQL SELECT CASE 语句 概述 在SQL查询中,CASE语句用于根据某些条件返回不同的结果。它类似于编程语言中的if-else逻辑结构。CASE语句可以在SELECT、UPDATE、DELETE和SET等子句中使用,但最常见的用法是在SELECT子句中进行条件判断。 语法 简单CASE表达式 CASE input_expre...
1.2,case when clumnName is null then selectcasewhensjfkjeisnullthenpzjeelsesjfkjeendasfkjefromT_XMZX 1.3, selectLEN(oldbm),caseLEN(oldbm)when7then'0'+oldbmelseoldbmendas'oldbm'fromtemp_yb_dw_0711b 1.4, 本文转自ylbtech博客园博客,原文链接:http://www.cnblogs.com/ylbtech/archive/2012/...
-- Uses AdventureWorksSELECTEmployeeKey, LastNameFROMDimEmployeeWHERELastNameLIKEN'%and%'; 聚合函数 (Transact-SQL) CASE (Transact-SQL) CONTAINSTABLE (Transact-SQL) 游标(Transact-SQL) DELETE (Transact-SQL) 表达式(Transact-SQL) FREETEXTTABLE (Transact-SQL) ...
TheOPENDATASOURCEfunction can be used to execute queries only on SQL Server instances. They can be either managed, on-premises, or in virtual machines. An example isSELECT * FROM OPENDATASOURCE('SQLNCLI', '...').AdventureWorks2022.HumanResources.Employee. Only theSQLNCLI,SQLNCLI11,SQLOLEDB, and...
Step3.聚合:SUM(CASE WHEN custid='A' THEN qty END); 代码语言:javascript 代码运行次数:0 运行 AI代码解释 --1.1标准SQL透视转换 select empid,SUM(casewhen custid='A'then qty end)asA,SUM(casewhen custid='B'then qty end)asB,SUM(casewhen custid='C'then qty end)asC,SUM(casewhen custid='D...
In this case, you need the salesperson ID, the order year, and the order value: Copy USE AdventureWorks SELECT SOH.SalesPersonID, YEAR(SOH.OrderDate) AS OrderYear, SOD.OrderQty * SOD.UnitPrice AS OrderValue FROM SalesOrderHeader AS SOH JOIN SalesOrderDetail AS SOD ON SOD.SalesOrderID = ...
Expression to change All Caps to First letter uppercase and rest lowercase Expression to display field based on another field value, report grouping question Expression to insert Month from SSRS report into email subject. Expression to select end day time of a day. Extra blank page in ssrs r...