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Optimization with a date condition
Message
De
22/03/2011 17:33:52
 
 
Information générale
Forum:
Microsoft SQL Server
Catégorie:
Scripting
Versions des environnements
SQL Server:
SQL Server 2008
Application:
Web
Divers
Thread ID:
01504587
Message ID:
01504595
Vues:
40
>Try adding
>
>option (recompile) to the query.
>
>http://social.msdn.microsoft.com/Forums/en-US/transactsql/thread/a2030652-800b-48dd-8857-5e6e60658a6e
>
>http://social.msdn.microsoft.com/forums/en-us/transactsql/thread/CFA976DB-2D12-4D80-B4B2-CEFFB80B7F6C

At the same time, I was testing something else. The fact that I have 175 fields to extract was causing this. So, when I subselected to get the primary key first and join that into the main table for the result, it was instant. Then, when I tried the original syntax with the RECOMPILE option, it was then also instant.

Now, which approach is better recommanded. Should I go with the subselect to get the primary key and then join that into the main table or to simply use the RECOMPILE? In the Web site applications, I have it off. But, in this particular script that is executed in SSMS, I could consider it if it would be judged as a better approach.
Michel Fournier
Level Extreme Inc.
Designer, architect, owner of the Level Extreme Platform
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