Plateforme Level Extreme
Abonnement
Profil corporatif
Produits & Services
Support
Légal
English
Optimizing query with filter
Message
De
24/03/2001 21:30:27
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Divers
Thread ID:
00488364
Message ID:
00488408
Vues:
7
>I have a select statement which USED to be optimized, but the client added a filter to the index expression. How do I modify my SELECT to accommodate the filter?
>
>The index is UPPER(Job.External) and the filter is .NOT. EMPTY(External)
>
>My old select is something like:
>SELECT blah blah blah FROM LinkJob INNER JOIN External ;
>ON LinkJob.External = UPPER(Job.External) ;
>blah blah blah
>INTO CURSOR TQuery
>
>TIA


You can't. Rushmore will not use filtered indeces.
Craig Berntson
MCSD, Microsoft .Net MVP, Grape City Community Influencer
Précédent
Répondre
Fil
Voir

Click here to load this message in the networking platform