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SQL: where vs. join
Message
De
08/08/2009 12:13:16
Hilmar Zonneveld
Independent Consultant
Cochabamba, Bolivie
 
 
À
08/08/2009 12:01:58
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Divers
Thread ID:
01416873
Message ID:
01416877
Vues:
69
>Yes, because filter and join have to be done at the same time
>
>>I do prefer JOIN. But do you think that it is possible that using WHERE produces intermediate results of the size of a Cartesian product, even if the end result is correct?

Thanks, that's what it looked like to me. That would be an important reason NOT to use the old syntax, then.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)
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