Applies to: SQL Server Azure SQL Database Azure SQL Managed InstanceReturns one of two values, depending on whether the Boolean expression evaluates to true or false in SQL Server.Transact-SQL syntax conventions
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 DECLARE@aINT=45, @bINT=40;SELECT[Result] =IIF( @a > @b,'TRUE','FALSE'); Here's the result set. Result --- TRUE B. IIF with NULL constants SQL SELECT[Result] =IIF(45>30,NULL,NULL); The result of this statement is an error. C. IIF...
SQL DECLARE@aINT=45, @bINT=40;SELECT[Result] =IIF( @a > @b,'TRUE','FALSE'); Here's the result set. Result --- TRUE B. IIF with NULL constants SQL SELECT[Result] =IIF(45>30,NULL,NULL); The result of this statement is an error. C. IIF...
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 ...
The result of this statement is an error. C. IIF with NULL parameters DECLARE @P INT = NULL, @S INT = NULL; SELECT IIF ( 45 > 30, @p, @s ) AS Result; Here is the result set. Result --- NULL (1 row(s) affected) See Also...
The result of this statement is an error. C. IIF with NULL parameters DECLARE @P INT = NULL, @S INT = NULL; SELECT IIF ( 45 > 30, @p, @s ) AS Result; Here is the result set. Result --- NULL (1 row(s) affected) See Also...
Returns one of two values, depending on whether the Boolean expression evaluates to true or false in SQL Server 2012.Transact-SQL Syntax ConventionsSyntaxCopy IIF ( boolean_expression, true_value, false_value ) Argumentsboolean_expression A valid Boolean expression. If this argument is not a ...
但不知何故，Microsoft query不会接受以下语句：派生表就是一个由查询结果生成的临时表。他是在外部查询...
从他的阶梯到t - sql DML,Gregory Larsen涵盖了t - sql语言的更高级的方面,如子查询。 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 ca...