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Machine vs General collating & lost of performance
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19/01/2001 13:25:13
Pierre Richard
Méthotech Canada Limitée
Kirkland, Québec, Canada
 
 
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Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Titre:
Machine vs General collating & lost of performance
Divers
Thread ID:
00465878
Message ID:
00465878
Vues:
42
I have an VFP5.0a application produced with Visual FoxExpress 5.0 in which I have a database containing some 20 tables & views.
The application also has Stonefield Database Toolkit embedded for database maintenance & repair.
Until last application's update, everything was fine & dandy. All original tables had compound indexes collated "machine". Then I decided to change them to "general" because I need to sort some accented characters (french).
This is when that the performance dropped BIG TIME from what as instant to WELL over 10 seconds for a "one word" search in a table containing 32K records.
I reversed all the chnages (i.e: indexes are now back to "machine") using the Stonefield Toolbox and I still have the same performance issue.
Reversing the indexes back to machine hasn't improved anything. BTW this is the ONLY change that was done in the application before and after.
Anyone has a suggestion as to what I need to do or look for to get back to my original performance ?
TIA

Pierre Richard
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