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Index on DATETIME() fields
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À
01/12/2008 17:31:46
Jay Johengen
Altamahaw-Ossipee, Caroline du Nord, États-Unis
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
01364954
Message ID:
01364986
Vues:
11
>I have two fields that are DateTime(). What is the best way to index them? I have tried:
>
>INDEX ON TRANSFORM(Field01) + TRANSFORM(Field02) ASCENDING TAG Temp
>
>But they don't seem to order correctly. I would also like the index to be as efficient as possible.

Jay, I use dtos(datefield), because it puts it in order by year/month/date. The dtoc() gets it into a string but the order may be a little strange because the year is last.
Linda Harmes
HiBit Technologies, Inc.
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