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Select query between 2 databases

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tamnguyen

tamnguyen

MIS
Nov 23, 2005
2
CA
How to select a union query between 2 tables from 2 separate databases. Thank you.
 
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Do the two databases reside on the same server?
 
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The 2 servers need to be linked or registered. Then all you need to do is fully qualify the tables in the select statement

Select * from [ServerA].[DatabaseA].[dbo].[TableA] A join
[ServerB].[DatabaseB].[dbo].[TableB] B on
A.PrimaryKetID = B.ForeignKeyID
 
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