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À
22/03/1999 12:53:02
Nancy Folsom
Pixel Dust Industries
Washington, États-Unis
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Divers
Thread ID:
00200386
Message ID:
00200572
Vues:
8
Hi Nancy,

But it only works with SELECT, not with the LIST command... And you can't always translate SELECT optimization into xBase optimization, since internally two different engines are used.

Christof

>If you're not familiar with the "SYS(3054) Function - Rushmore Optimization Level" check it out. It's very useful for checking that your code is actually being RM optimized...and to what degree.
>
>>A table contains 1,000 records. 50 records have been marked for deletion and
>100 records have a value 'X' in the id field. IF the following commands are executed separately, which one can enhance performance? Why?
>>
>>1. LIST FOR id = 'X' AND DELETED()
>>
>>2. LIST FOR DELETED() AND id = 'X'
--
Christof
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