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Performance Advice on Larger Record Sets
Message
De
08/07/2002 09:58:19
 
 
À
08/07/2002 09:04:17
Hilmar Zonneveld
Independent Consultant
Cochabamba, Bolivie
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Divers
Thread ID:
00676060
Message ID:
00676100
Vues:
16
>I use p-views when using tables of 20,000 or more records. The largest table now has more than 100,000 records, and I have no problems.
>
>The key is to show only a small subset of the data, and to optimize the view. I do not mean Full Rushmore Optimization - partial optimization is often faster (see my FAQ on Rushmore, for details).
>
>I don't even consider 100,000 records as "large" - for VFP, and today's computers, that would be medium, at most.
>
>OTOH, a filter is very slow if used with a grid.
>
Thanks for the feedback, Hilmar. I suspected as much. And I realize 100,000 records is not really "large" by VFP standards, just large for me and my experience.

How do you handle indexing your p-views? I want to maintain the incremental search and grid header click to set table/view order.
Ray Roper
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