In the key points, I have already mentioned that the IIF function is the shorthand form of the CASE Expression. And, yes, it's true. Internally, SQL Server converts IIF to CASE Expression and executes it. Step 1 To check this, execute the following query with the "Actual Execution Plan...
For more information, seeIIF Function Query Hints in SQL Server Analysis Services 2008andExecution Plans and Plan Hints for MDX IIF Function and CASE Statement. Examples The following query shows a simple use ofIIFinside a calculated measure to return one of two different string values when the ...
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SQL ServerIIF()function can be used as if-else condition in a query. It evaluates a boolean expression and returns the second expression if true else returns the third expression. IIF(boolean_expression, true_value, false_value) You can nested up to a maximum level of 10. Parameters boolean...
For more information, seeIIF Function Query Hints in SQL Server Analysis Services 2008andExecution Plans and Plan Hints for MDX IIF Function and CASE Statement. Examples The following query shows a simple use ofIIFinside a calculated measure to return one of two different string values when the ...
KillQueryNotificationSubscriptionStatement KillStatement KillStatsJobStatement LabelStatement LedgerOption LedgerTableOption LedgerViewOption LeftFunctionCall LikePredicate LineNoStatement ListenerIPEndpointProtocolOption ListTypeCopyOption 常值 LiteralAtomicBlockOption LiteralAuditTargetOption LiteralAvailabilityGroupOption L...
For more information, see IIF Function Query Hints in SQL Server Analysis Services 2008 and Execution Plans and Plan Hints for MDX IIF Function and CASE Statement. Examples The following query shows a simple use of IIF inside a calculated measure to return one of two different string values whe...
For more information, seeIIF Function Query Hints in SQL Server Analysis Services 2008andExecution Plans and Plan Hints for MDX IIF Function and CASE Statement. Examples The following query shows a simple use ofIIFinside a calculated measure to return one of two different string values when the ...
SQL Server Azure SQL Database Azure SQL Managed Instance Returns one of two values, depending on whether the Boolean expression evaluates to true or false in SQL Server. Transact-SQL syntax conventions Syntax syntaxsql IIF(boolean_expression,true_value,false_value) ...
Example in SQL/Queries You can use the iif function in a query in Microsoft Access. For example: In this query, we have used the iif function as follows: Hours: IIf([Time Out]<#12:00:00 PM#,([Time Out)-[Time In])*24,(([Time Out]-[Time In])*25)-0.5) ...