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Sql server 2012 SQL Server-INSERTED.OUTPUT-变量分配_Sql Server 2012 - Fatal编程技术网

Sql server 2012 SQL Server-INSERTED.OUTPUT-变量分配

Sql server 2012 SQL Server-INSERTED.OUTPUT-变量分配,sql-server-2012,Sql Server 2012,我正在做以下工作: UPDATE dbo.Crash SET NbrOfCrash = NbrOfCrash + 1 OUTPUT INSERTED.NbrOfCrash WHERE CrashId = 1 现在,我想将此语句的输出赋给一个变量: DECLARE @result int; 这可以做到吗 谢谢选项1:您可以使用 UPDATE dbo.Crash SET @result = NbrOfCrash = NbrOfCrash + 1 WHERE CrashId = 1 仅当

我正在做以下工作:

UPDATE dbo.Crash
SET NbrOfCrash = NbrOfCrash + 1  
OUTPUT INSERTED.NbrOfCrash
WHERE CrashId = 1
现在,我想将此语句的输出赋给一个变量:

DECLARE @result int;
这可以做到吗

谢谢

选项1:您可以使用

UPDATE dbo.Crash
SET @result = NbrOfCrash = NbrOfCrash + 1  
WHERE CrashId = 1
仅当CrashId列上存在pk/unique key/unique约束时

选项2:否则,您可以使用

declare @updated_rows table (
NbrOfCrash int -- replace int with proper type
);

UPDATE dbo.Crash
SET NbrOfCrash = NbrOfCrash + 1  
OUTPUT INSERTED.NbrOfCrash into @updated_rows
WHERE CrashId = 1;

select @result = NbrOfCrash / min(NbrOfCrash) / max(NbrOfCrash) / avg(NbrOfCrash) ...
from @updated_rows;
1) 这正是我需要的。谢谢