How to add a linked server to the same instance?
The last query has a different plan (remote query, thus slower). Can you somehow create a linked server to self (the same sql server instance, the default instance actually) as an “alias” to the name of the host (srProd1) in order for the SQL server to be forced to understand it as local and not issue “remote execution” plans?
How do I create a linked server in SQL Server?
You can use any of the following: In SQL Server Management Studio, open Object Explorer, expand Server Objects, right-click Linked Servers, and then click New Linked Server. On the General page, in the Linked server box, type the name of the instance of SQL Server that you area linking to.
Can you create a linked server that points to itself?
Msg 15028, Level 16, State 1, Procedure sp_addlinkedserver, Line 82 The server ‘servername\\instancename’ already exists. So I’m not sure what’s changed in the recent version (s) that disallows this. Using the UI generates a similar message: You cannot create a local SQL Server as a linked server.
How to impersonate a linked server in SQL Server?
The Impersonate check box when is checked passes the local login credentials to the linked server.
How to improve SQL query performance when using linked servers?
I have good experience developing logic that deals with Linked servers and there are two major instances wherein I improved the query performance from 1.5-2 hrs to 5 mins and another query which runs for about 8-10 mins down to half a minute. I would suggest you keep the following things in your mind when writing queries using Linked Server.
Do you have a performance problem with linked servers?
I have a performance problem related to SQL Server/linked servers/views. I hope you can help me understand what is the best way to do what I want =). I have a database K with 3 linked servers L1,L2,L3 to 3 databases X,Y,Z. In X,Y,Z i have, respectively, 3 views called V1,V2,V3.
Why are there linked servers in SQL Server?
In order to have source code as universal as possible, we decided to create linked servers for each database on each db server in each environment and name them with respect to the database they’re created for. Therefore, there’ll be these linked servers: