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How to speed up this query
Message
De
11/03/2010 07:42:47
 
 
À
10/03/2010 13:41:40
Jerry Tovar
Dana Corporation Dana It
Maumee, Ohio, États-Unis
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Versions des environnements
Visual FoxPro:
VFP 9 SP2
OS:
Windows XP SP2
Database:
Visual FoxPro
Application:
Desktop
Divers
Thread ID:
01453791
Message ID:
01453887
Vues:
67
>I have a VFP9 Win App that uses the below query. How can I speed up this query?
>
>The SYS(3054, 1) reports that "Rushmore optimization level is Full" for both tables. But the query takes about 5 seconds to execute. One table has about 600,000 records and the other has about 50,000. The number of rows returned from the query should be around 40.

SYS(3054,1) only tells you about optimization of filters. Use SYS(3054,11) to find out whether the joins are optimized, too.

Tamar
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