check if data exists in second database

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check if data exists in second database

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PurpleSun
Yak Posting Veteran

50 Posts

Posted - 2007-05-21 : 11:33:26

Hi All,

I have two different databases DB1 and DB2.
In DB1 there is a table T1 with the column RecID [int] [primary]
In DB2 there is a table T2 with the same column.
For every record in DB1 T1 i need to check if RecID exists
in DB2 T2.

What's the best way of doing this?

Thanks.

X002548
Not Just a Number

15586 Posts

Posted - 2007-05-21 : 11:37:11

SELECT * FROM db1.dbo.table a
WHERE EXISTS (SELECT * FROM db2.dbo.table b
WHERE a.RecID = b.RecID)

Brett

8-)

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PurpleSun
Yak Posting Veteran

50 Posts

Posted - 2007-05-21 : 11:41:42

Thanks Brett.
That's exactly what I need.

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