Plateforme Level Extreme
Abonnement
Profil corporatif
Produits & Services
Support
Légal
English
Large tables
Message
De
05/07/2005 12:09:35
Mike Yearwood
Toronto, Ontario, Canada
 
 
À
05/07/2005 10:42:07
Hilmar Zonneveld
Independent Consultant
Cochabamba, Bolivie
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Titre:
Versions des environnements
Visual FoxPro:
VFP 9
Divers
Thread ID:
01027560
Message ID:
01029037
Vues:
19
>>That's true. However, I'd bet if there were a large # of deleted records at the top of the table, the initial USE of the table would result in a period of thrashing as VFP tries to navigate to the first record.
>
>Sure, and there are other instances where inefficiencies arise - like lacking indices. I just wanted to clarify that - according to my understanding - it is not true that invariably, the entire table is transferred.

Understood. I agree.
Précédent
Répondre
Fil
Voir

Click here to load this message in the networking platform