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Peformance problem with a filter
Message
From
06/08/2004 09:05:49
Mike Yearwood
Toronto, Ontario, Canada
 
 
To
05/08/2004 20:02:47
Hilmar Zonneveld
Independent Consultant
Cochabamba, Bolivia
General information
Forum:
Visual FoxPro
Category:
Databases,Tables, Views, Indexing and SQL syntax
Miscellaneous
Thread ID:
00930810
Message ID:
00931273
Views:
25
He's already said he can't use p-views.

>>>What do you mean? You're going to create indexes on the fly? That's dirty and definitely not quick. SET KEY will knock your socks off!
>>
>>Not create indexes on the fly. The index list will be set on the fly based on the index. SET KEY I believe would workable. But, I'm not familiar with it, so it will take more time to implement.
>
>You can easily create indexes on the fly, and still have reasonable performance, if you use a parameterized view to get the required data.
>
>The index will only be created on the data you have fetched.
>
>SET KEY doesn't give you this flexibility. Sure, you can create compound indexes, but you will require several of those, to cover all cases.
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