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How do I link a database in SQL


How do I link a database in SQL rzito NO[at]SPAM si.rr.com
10/13/2007 9:12:45 PM
sql server (alternate):
I am working on a databse on my local box, my source data is on
another. How can I link the database and table from one server to
another? Currently I am using DTS to just transfer the records!
Re: How do I link a database in SQL Erland Sommarskog
10/14/2007 12:00:00 AM
(rzito@si.rr.com) writes:
[quoted text, click to view]

You can set up a linked server. If the stars align, it's as simple as

sp_addlinkedserver THATSERVER

then you can query the remote tables with four-part notation:

select col1, col2 from THATSERVER.db.dbo.tbl

If you are on SQL 2005, you can use synonyms to make your code cleaner:

CREATE SYNONYM remotebl FOR THATSERVER.db.dbo.tlb

and then go:

select col1, col2 FROM remotetbl

Linked servers are a bit tricky to work with, and one obstacle is to
get authentication to work. I can't say that I have fully understood the
rules, but I have not dug very hard into it. You can use
sp_addlinkedsrvlogin to specify how you are to connect to the remote server.


--
Erland Sommarskog, SQL Server MVP, esquel@sommarskog.se

Books Online for SQL Server 2005 at
http://www.microsoft.com/technet/prodtechnol/sql/2005/downloads/books.mspx
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