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Random Sampling?
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Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Divers
Thread ID:
00491589
Message ID:
00491808
Vues:
8
Thanks, that's pretty much where I want to be. I was trying to SQL-ize what you gave me and am not getting there. I want to Rushmore-optimize the retrieval, and it seems like I can't do that without indexing on RecNo(). How could I do a Random SQL sampling?



>=RAND(-1) &&Randomize to sysclock
>COPY TO temp FOR RAND()<0.10
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