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SQL LIKE and Rushmore optimization
Message
De
20/01/2006 06:58:57
 
 
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:
01088827
Vues:
30
Hi Christian,
Thanks for response. I'v found it.. right... when starts with "%" its can't be optimized.. I remove lead "%" for test.. SYS(3054) returns again "partial optimized" - but all indexex now using for rushmore optimization.. and I exactly check index expression for each operand. why partial again... ?!
Is there way to write optimized query wich will return same result.. but without using LIKE % ?

Thanks
Denis.


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