Join two tables in two difference instances

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SQL-Server-2008

Hi,
I have two ms sql table in two different instances. I want to join that two tables and get the result. Is it possible.

For example
Databse 1, Databse 2

Database 1 is in instance 1(sql Server 1)
Databse 2 is in instance 2 (sql server 2)

Thanks,

Posted 2-Aug-12 23:59pm

Soft009

Updated 3-Aug-12 0:14am

v2

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Herman<T>.Instance 3-Aug-12 6:07am

why not joning in 1 query?
what do you mean by 2 different instances? two servers?

Soft009 3-Aug-12 6:12am

same server two sql instances..

2 solutions

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_Amy · Answer 1 · 2012-08-03T00:08:00

Solution 1

You should use a fully qualified name of the objects you are using.
Try this:

SQL

SELECT E.ID, E.Name, E.Address, C.Code, C.Mobile FROM Database1.DBO.tbEmployee E INNER JOIN Database2.DBO.tbEmployeeDtls C ON E.ID = C.ID

Refer the links below:
http://forums.asp.net/t/1254974.aspx/1[^]
http://stackoverflow.com/questions/5145637/querying-data-by-joining-two-tables-in-two-database-on-different-servers[^]

--Amit

Posted 3-Aug-12 0:08am

_Amy

Comments

Soft009 8-Aug-12 1:05am

I can use this query when the databases are in the same instance(server) but in by case the databases are in two different instances (servers).

_Amy 8-Aug-12 1:08am

Use server1.Database1.DBO.tbEmployee. As I told fully qualified...

Soft009 8-Aug-12 1:21am

Thanks i'll try....

dineshvishe · Answer 2 · 2012-08-21T04:35:00

1)Linked server can used for connection purpose..
2)select * from [LocalTablename] as t1 where not exists (SELECT * FROM [Linkedservername].IAT.dbo.destinationtable as t2 where t1.Id=t2.Id)
above use for comapare local table and destination table.

3)select * from [Linkedserver].IAT.dbo.destinationtable it is use for see data for another instance data.
4)copy into temporary table .
Then you can do any operation on it.