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Commonly misused and abused VFP features
Message
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Divers
Thread ID:
00310951
Message ID:
00312265
Vues:
44
>Please add that COUNT TO and SELECT CNT() work completely on the index if the expression is fully optimized and therefore usually require the index on DELETED() for all tables involved and that this index should only be removed for these tables, when the negative impact otherwise is stronger.


Hi Christof, let me make sure I understand this.

So if I have no need for Deleted() tag, and SET DELETE is off, but my app commonly runs SQL SELECT COUNT(*)... statements, then I should have a deleted() tag on those tables involved in COUNT SQL operations?
Roxanne M. Seibert
Independent Consultant, VFP MCP

Code Monkey Like Fritos
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