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SQLExpress 2008 performance
Message
De
07/08/2009 12:19:43
 
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Versions des environnements
Visual FoxPro:
VFP 9 SP1
OS:
Windows Server 2003
Database:
MS SQL Server
Application:
Desktop
Divers
Thread ID:
01416770
Message ID:
01416779
Vues:
62
>>>>I have install SQLExpress2008 on a WS2003 with 2 Gb RAM (development machine)
>>>>
>>>>When I run a query against a table with 100.000 records from the Microsoft SQl Server Managent studio:
>>>> [ Select top 1000 from sometable ]
>>>>It returns the results in less than a second.
>>>>
>>>>But when I run the same query from VFP
>>>> [ sqlexec(nHandle, "Select top 1000 from sometable ", "cur") ]
>>>>It takes for ever, more than 15 seconds.
>>>>What is the problem ?
>>>
>>>Where is your ORDER BY clause in the above statement? As far as I recall, TOP is not optimizable (I'll double check).
>>
>>Same performance WITH/WITHOUT order by clause
>
>If you're using TOP clause you MUST specify ORDER BY. What is your SQL Server version? Check the message I pointed you too and Kevin Goff's suggestion - may be worth a try.

Same performance WITH/WITHOUT order by clause
But why this performance difference between SSMStudio and VFP client connection ?
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