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SQLExpress 2008 performance
Message
 
 
À
07/08/2009 12:11:09
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:
01416777
Vues:
72
>>>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.
If it's not broken, fix it until it is.


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