Gilt für:SQL ServerAzure SQL-DatenbankAzure SQL Managed InstanceGibt einen von zwei Werten zurück, abhängig davon, ob der boolesche Ausdruck "true" oder "false" in SQL Server ergibt.Transact-SQL-SyntaxkonventionenSyntaxsyntaxsql Kopie ...
在SQL Server中,可以使用IIF函数来替代CASE语句。IIF函数是一个内置的逻辑函数,用于根据条件返回不同的值。 IIF函数的语法如下: IIF(condition, value_if_t...
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) ...
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EAGER and STRICT are mutually exclusive in the hint; they can be used in the same IIF(,,) over different expressions. 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 ...
高阶函数以函数作为参数或者以函数作为返回值返回的函数lst = [1,2,3,4,5,6,7,8,9,10] def fn2(i): #求偶数函数 if i % 2 == 0: return True def fn(func,l): #高阶函数(将函数作为参数) lst2=[] for n in l: if func(n): ...
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) ...
直接在dbForge查询窗口上运行简单的SQL语句 、 我想在dbForge sql窗口上运行SQL语句,但得到错误:select 's';错误: 1 You have anerror in your SQL syntax; check the manual that corresponds to your MySQL server version for the rightsyntax to use near &# 浏览0提问于2012-06-14得票数 0 回答已采...
Returns one of two values, depending on whether the Boolean expression evaluates to true or false in SQL Server 2012. Transact-SQL Syntax Conventions Syntax IIF ( boolean_expression, true_value, false_value ) Arguments boolean_expression