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Performance issues when querying shared data
Message
De
07/10/2005 10:36:49
Jim Winter
Jim Winter Consulting
Hinesburg, Vermont, États-Unis
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Client/serveur
Versions des environnements
Visual FoxPro:
VFP 6
Divers
Thread ID:
01057091
Message ID:
01057182
Vues:
15
>Well,
>
>The initial query is:
>
>Select a.field1 As Code, a.Field2 As Desc From TableA a Into Cursor tmpCursor
>
>The table has an index on field1 so I added:
>
>where a.Field1 = ""
>
>It's a cheat I know but the query is optimised and works as long as set exact off.
>
>The time jumps from 5 secs to under 2.
>

Hi Mathias,

That is too cool! I just tested it on my setup and got similar results.

Thanks,
Jim
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