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How can I optimize this query?
Message
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Versions des environnements
Visual FoxPro:
VFP 8 SP1
OS:
Windows XP SP2
Database:
Visual FoxPro
Divers
Thread ID:
00982000
Message ID:
00982020
Vues:
57
>But Why?
>In HELP
>LEFT [OUTER] JOIN specifies that the query result contains ALL rows from the table to the left of the JOIN keyword and ONLY matching rows from the table to the right of the JOIN keyword. The OUTER keyword is optional; you can include it to emphasize that an outer join is created.
>
Why what? I don't see any unmatching records returned by the query.
--sb--
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