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How to make this SQL rushmore optimized
Message
From
12/04/2010 20:52:31
 
General information
Forum:
Visual FoxPro
Category:
Other
Environment versions
Visual FoxPro:
VFP 9 SP1
Miscellaneous
Thread ID:
01459829
Message ID:
01459835
Views:
62
>>>An index on pkfield ought to do it.
>>>
>>>What data type is pkfield?
>>
>>Correction. The field is Numeric(6,0) but there is an index tag on this field. Yet, Rushmore is not used.
>
>Try
>
>select * from myTable where pkfield IN (select top 100 pkfield from myTable order by pkfield DESC)
Nope. This does not work either.
"The creative process is nothing but a series of crises." Isaac Bashevis Singer
"My experience is that as soon as people are old enough to know better, they don't know anything at all." Oscar Wilde
"If a nation values anything more than freedom, it will lose its freedom; and the irony of it is that if it is comfort or money that it values more, it will lose that too." W.Somerset Maugham
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