On Wed, Jan 6, 2010 at 3:53 PM, Zintrigue <zintrigue@gmail.com> wrote:
> I'm wondering if there's any performance penalty here, analogous to the
> penalty of JOINs in a regular RDBMS (versus an ORDBMS).
> If anyone can offer in any insight as too how inheritance is actually
> executed (compared to JOINs especially), I'd be most grateful.
PostgreSQL inheritance is just a sugar coated form of horizontal table
partitioning. So it suffers from all of the problems associated with
selection on UNION ALL queries.
--
Regards,
Richard Broersma Jr.
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