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Remote insert speeds query time from 5.5 mins to 3 seconds?

Posted By:      Posted Date: April 14, 2011    Points: 0   Category :


I have a query running in SQL Server 2005 sp2 that takes just over 5½ minutes to run despite my best efforts to speed it up.

It is an INSERT INTO local table SELECT FROM sql statement.  If I just run the SELECT part, it still takes over 5½ minutes.  The query is currently returning 2 rows of data.

However, If I change the table it inserts into to be an identical table on a remote server using a linked server, then it runs in 3 seconds????

I like the time it now takes, but I do not understand why it is so much faster inserting into a table on a remote server.  If anything, I expected it to take a little longer - anyone have any ideas?

These are examples of the query:
--Takes approximately 05:26 to complete
SELECT Field1, Field2, Field3

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