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Optimizable expressions
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22/03/1999 04:14:33
 
 
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Forum:
Visual FoxPro
Catégorie:
Autre
Titre:
Optimizable expressions
Divers
Thread ID:
00200386
Message ID:
00200386
Vues:
33
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'
KK
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