Hey Tim, all On Wed, Jun 24, 2009 at 10:03 AM, Little, Timothy<tlit...@thomaspublishing.com> wrote: > Why, you might ask, index on physmessage_id? Because then the db won't > have to do a fetch on items from the table since it's in the INDEX > itself, saving any unnecessary reads. FYI: That only holds true for InnoDB, not for MyISAM.
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