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Sql server 2008 当不为空时出现问题_Sql Server 2008 - Fatal编程技术网

Sql server 2008 当不为空时出现问题

Sql server 2008 当不为空时出现问题,sql-server-2008,Sql Server 2008,我想围绕以下内容创建一个开关。我尝试过各种排列,但我就是不能让它不为空 (CASE billing_code WHEN NOT NULL THEN billing_amount END) AS Billing Amount 提前感谢您需要使用语句的“搜索”形式。此外,由于列别名包含空格,因此需要按如下所示对其进行分隔 CASE WHEN billing_code IS NOT NULL THEN billing_amount END AS [Billing Amount] 尝试如下

我想围绕以下内容创建一个开关。我尝试过各种排列,但我就是不能让它不为空

(CASE billing_code WHEN NOT NULL  THEN billing_amount END) AS Billing Amount
提前感谢

您需要使用语句的“搜索”形式。此外,由于列别名包含空格,因此需要按如下所示对其进行分隔

CASE  WHEN billing_code IS NOT NULL  THEN billing_amount END AS [Billing Amount]
尝试如下

  (Case When billing_code is Not Null then billing_amount End) As "Billing Amount"

方括号更适合分隔对象名称,因为如果
QUOTED\u IDENTIFIER
恰好处于
OFF