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Can I create a VIEW from a free table?
Message
De
21/04/1999 10:35:24
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Divers
Thread ID:
00209037
Message ID:
00210531
Vues:
42
>>OK.. I see what you mean.. I will open all my tables and cursorsetprop() in
>>main.prg and close them at exit time...:)
>
>This is a huge performace hit when there is alot of transactions out there. Just dummy up a test tabel with 1.5 million transactions and delete 5% of them. When you type in USE TEST in 0 order XXX it coudl take up to 1 min just to regain control.
>
>This is why the views are better. You never need the entire 1.5 million records unless it's a report. So a parameterized view to 1000 records of the 1.5 million is in your best interest.
>
>There are indexing tricks to speed up performance here just to poen the file.
>Index on DELETED() is a must.
------------
Thanks Stephen... I see what you mean...thanks for your help... :)
Robert Keith
Independent Developer
San Antonio, Texas
E-mail address:
rebelrob1@yahoo.com
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