使用IIF功能快速切换CASE表达式 随着SQL Server 2012的推出,微软增加了IIF功能。 IIF函数可以被认为是CASE语句的快捷方式。在图2中,您可以找到IIF函数的语法。 IIF ( boolean_expression, true_value, false_value ) 图2:IIF功能的语法 “Boolean_expression”是一个有效的布尔表达式,相当于TRUE或FALSE。 当布尔表达...
在SQL Server中连接IIF/CASE语句 在SQL Server中用整数替换字符串 在sql server中用连接运算符替换逗号。 SQL Server 2005中的IIF语句 在SQL Server中的Where case SQL Server在select内嵌套Case 在SQL中用名称替换2个in 在SQL中用条件替换group by value ...
在SQL Server中,连接IIF/CASE语句是一种条件表达式,用于根据给定的条件返回不同的结果。它们可以在SELECT语句、WHERE子句、JOIN子句等多个场景中使用。 IIF函数是SQL Server 2012及更高版本引入的,它接受一个条件表达式作为第一个参数,如果条件为真,则返回第二个参数的值,否则返回第三个参数的值。以下是一个示例:...
IIF (OrderAmt > 200, "高价订购" "低 $ 订单") 作为 OrderType 从MyOrder; 清单10: 使用 IIF 函数的示例 通过查看清单 10, 您可以看到为什么 IIF 函数被认为是 CASE 表达式的简写版本。单词大小写被替换为 "IIF (" 字符串, "然后" 子句用逗号替换, "ELSE" 子句用逗号替换, "END" 替换为 ")"。...
IIF is a shorthand way for writing a CASE expression. It evaluates the Boolean expression passed as the first argument, and then returns either of the other two arguments based on the result of the evaluation. That is, the true_value is returned if the Boolean expression is true, and the...
IIF is a shorthand way for writing a CASE expression. It evaluates the Boolean expression passed as the first argument, and then returns either of the other two arguments based on the result of the evaluation. That is, thetrue_valueis returned if the Boolean expression is true, and thefalse...
sql server中iif的等价写法,在sqlserver中,IIF(SCTS>=1,YCYL/SCTS,0)的替代写法CASEWHENSCTS>=1THENYCYL/SCTSELSE0END
else '现金' 这个后面加个End 变成else '现金' end)case
CHOOSE is really a great way to pick one value from a list of indexed values, whereas IIF provides a compact means to provide the same type of conditional testing found with in the CASE statement. If you not familiar with SQL functions, then I would recommend staring with the Introduction ...
Here are a few examples of how this error message can be encountered when used in a CASE, IIF and NULLIF statements: -- Case #1 : CASE Statement SELECT CASE WHEN NEXT VALUE FOR [dbo].[SQLSequence] % 2 = 0 THEN 'Even' ELSE 'Odd' END AS [OddEven] ...