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Index on Logical Field?
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Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Divers
Thread ID:
00390962
Message ID:
00391024
Vues:
12
< snipped >
>As far as I know compound indexes are optimizable as long as the left side of the expression exactly matches the index expression.
>
>e.g.
>LOCATE FOR Groupname + TRANSFORM(lgroup,"Y") = "SomeGroupName"
>
>should be optimized in the above example.

This is actually true and I was wrong when I said that compound indexes were not optimizable. The left side must match exactly.
Larry Miller
MCSD
LWMiller3@verizon.net

Accumulate learning by study, understand what you learn by questioning. -- Mingjiao
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