在SQL语句中使用IF或CASE with multiple条件的作用是根据不同的条件执行不同的操作或返回不同的结果。这些条件可以是基于列的值、函数的结果、逻辑表达式等。 使用IF语句可以根据条件执行不同的操作。IF语句的基本语法如下: 代码语言:txt 复制 IF condition THEN statement1; ELSE statement2; END IF; 其中,conditio...
--1设置完整模式USE[master]GOALTERDATABASE[DBName.9197]SETRECOVERYFULLWITHNO_WAITGO--2备份主分区DECLARE@CurrentTimeVARCHAR(50),@FileNameVARCHAR(200)SET@CurrentTime=REPLACE(REPLACE(REPLACE(CONVERT(VARCHAR,GETDATE(),120),'-','_'),'','_'),':','')IF(DATEPART(DW,GETDATE())=2)--星期一BEG...
SQL Server Multiple if & then clause for two dates [closed]CASE WHEN h_sched_dt IS NOT NULL ...
C# WPF DataTrigger for Background if Value is Null c# wpf firing dispatcherTimer on separate thread(should update UI) C# wpf Image load from any folder C# WPF Label content change C# WPF label font is not changing C# WPF multithreading cannot return the actual value from Dispatcher.BeginInvoke ...
sqla-tester the only question is how do we roll this out: 1. turn off insertmanyvalues across the board for all dialects that dont have "sentinel"? 2. if number 1, do we a. warn when an INSERT RETURNING happens that performance is degraded or b. do nothing, and everyone gets degrad...
**else if@ProductList!='' and@statusList!='' then ** begin ** Condition 4** end but i am not able to write the same thing in my select statements where clause. Cant i write if statement in where clause? Aradhana Rajgor All replies (2) ...
{If($InfoDate-eq0){Write-Output$msg}else{Write-Output((Get-Date-format"yyyy-MM-dd HH:mm:ss")+$msg)}}catch{Write-Output$msg}}cls$connectionStringWrite="Server=$DatabaseServerWrite;Initial Catalog=$DatabaseWrite;Persist Security Info=False;User ID=$Username...
SQL Server Multiple if & then clause for two dates [closed]CASE WHEN h_sched_dt IS NOT NULL ...
IF Then ElseIf Statement in Expression Ignore dataset filter if parameter value is null IIF and IsNothing with SSRS Expression IIF condition in the RDL file iif statement problem IIF Statement with AND Operator. IIF String Contains a value? Image size in SSRS reports Import Design from Doc to...
--1设置完整模式USE[master]GOALTERDATABASE[DBName.9197]SETRECOVERYFULLWITHNO_WAITGO--2备份主分区DECLARE@CurrentTimeVARCHAR(50),@FileNameVARCHAR(200)SET@CurrentTime=REPLACE(REPLACE(REPLACE(CONVERT(VARCHAR,GETDATE(),120),'-','_'),'','_'),':','')IF(DATEPART(DW,GETDATE())=2)--星期一BEG...