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SQL 2005 connectiion link

Posted on 2007-11-16
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Last Modified: 2012-05-05
i am using sql server 2005. i have another database which is on the other network. and i have odbc connection settings if i want to link to that database in my sql how can i link that database and start writing queries.
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Question by:romeiovasu
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3 Comments
 
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Expert Comment

by:imitchie
ID: 20303815
this can get you started: (let's say the servers are svr1 and svr2)
on svr1
sp_addlinkedserver 'svr2'
then to run a query
    select top 10 * from svr2.database.dbo.tablename
you can even join to local tables, like
    select top 10 * from svr2.database.dbo.tablename inner join dbo.localtable on ...

check books online for sp_addlinkedserver. the example above will use the current login (to svr1) to authenticate with svr2. so if you're on a domain and using windows authentication, shouldn't be a problem
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Author Comment

by:romeiovasu
ID: 20304462
i am getting this error The OLE DB provider "MSDASQL" has not been registered.
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Accepted Solution

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imitchie earned 500 total points
ID: 20324942
http://msdn2.microsoft.com/en-us/library/aa259589(SQL.80).aspx

does the other server have an instance name? the following adds it to be referred locally as myserver, but is actually connecting to server\instance1

EXEC sp_addlinkedserver  
   @server='myserver',
   @srvproduct='',
   @provider='SQLNCLI',
   @datasrc='server\instance1'

usage:
 select top 10 * from myserver.database.dbo.table
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