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Understanding Rushmore optimization
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À
12/07/2016 09:32:34
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Divers
Thread ID:
01638260
Message ID:
01638268
Vues:
81
I will have to learn where and how to add the Binary keyword to the logical index. Thank you.

>If you need an index on a logical field or on deleted(), make sure to add the Binary keyword when you create it. That will make the index much smaller, meaning much faster.
>
>>The more it makes sense for me to get rid of it. Thank you.
>>
>>>Any index on a binary value will generally not be very effective. I've heard some people say that an index on DELETED() is effective if you have a high number of deleted records, but never tested this myself.
>>>
>>>
"The creative process is nothing but a series of crises." Isaac Bashevis Singer
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