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23

answers:

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Is there any danger is creating a linked server?

I want to create linked server to a DB2 database from SQL Server 2005. Will the DB2 database be effected by this at all (performance wise) or is this all handled on the SQL Server side?

+1  A: 

No there is no danger in general unless you give dbo permissions to the linked server setup, if all you need is read permissions then set it up with a read account..

The queries that are run through a linked server execute at the linked server, so if your linked server is the DB2 server then the query will execute there......but if you write a poor performing query then the DB2 box could suffer from that query..so be aware of that

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