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SQL LIKE and Rushmore optimization
Message
De
20/01/2006 07:26:32
 
 
À
20/01/2006 06:23:28
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Versions des environnements
Visual FoxPro:
VFP 8 SP1
OS:
Windows XP SP2
Network:
Windows XP
Database:
Visual FoxPro
Divers
Thread ID:
01088808
Message ID:
01088831
Vues:
24
Hi Again...
I try to do next way

INDEX ON "1"+UPPER(Description) TAG Test1

SELECT * FROM table WHERE "1"+UPPER(Description) like "1%HP%DRUCKER"

SYS(3054) show result about Test1 and Deleted Tags using in the Rushmore optimization, but optimization level still is "partial"

And... time of exec query realy looks not good....


>Hello,
>
>a LIKE condition which starts with % cannot be optimized.
>
>Regards
>Christian
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