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我有两张桌子

TableA (Col1 Pk identity, Col2, Col3)
TableB (Col2,Col3, Col4)

现在,我想得到 Col1, Col4 的组合。

我正在使用这个

INSERT INTO TableA (Col2, Col3)
OUTPUT inserted.*
SELECT DISTINCT Col2,Col3
FROM TableB

但下面只会给我tableA的Col1、Col2和Col3 ..如果我没记错的话。这里我想要 Col1 (TableA) & Col4 (TableB) 现在,我怎样才能得到 Col4 和 TableA 中受人尊敬的缩进行。

编辑

以下是可能对您有所帮助的示例场景

    CREATE TABLE [dbo].[A](
    [Col1] [int] IDENTITY(1,1) NOT NULL,
    [Col2] [varchar](50) NULL,
    [Col3] [varchar](50) NULL,
 CONSTRAINT [PK_A] PRIMARY KEY CLUSTERED 
(
    [Col1] ASC
)WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]
) ON [PRIMARY]

GO

SET ANSI_PADDING OFF
GO

CREATE TABLE [dbo].[B](
    [Col2] [varchar](50) NULL,
    [Col3] [varchar](50) NULL,
    [Col4] [varchar](50) NULL
) ON [PRIMARY]

GO

SET ANSI_PADDING OFF
GO



INSERT INTO A (Col2,Col3)
OUTPUT INSERTED.*
SELECT COL2, Col3, Col4 
FROM B

我可以用校验和来做吗?

4

1 回答 1

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merge A as T 
using B as S 
on 0=1 
when not matched then 
insert (Col2, Col3) values (S.Col2,S.Col3) 
output inserted.Col1, S.Col4;
于 2012-09-26T21:07:09.867 回答