| From: | Bruno Wolff III <bruno(at)wolff(dot)to> |
|---|---|
| To: | Michael Fuhr <mike(at)fuhr(dot)org> |
| Cc: | Dennis Gearon <gearond(at)fireserve(dot)net>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: flattened tables with normalized tables |
| Date: | 2004-10-08 05:17:27 |
| Message-ID: | 20041008051727.GA4793@wolff.to |
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| Lists: | pgsql-general |
On Thu, Oct 07, 2004 at 22:35:50 -0600,
Michael Fuhr <mike(at)fuhr(dot)org> wrote:
> On Thu, Oct 07, 2004 at 09:08:18PM -0700, Dennis Gearon wrote:
> >
> > About regular views, how does that speed things up, other than the initial
> > SQL interpretation of the view not needing to be done?
>
> I didn't mean to imply that views would speed things up -- I was
> merely suggesting them as an alternative to your "flattened table"
> if part of its purpose would be to simplify queries. You might
> want to perform some experiments to see if the performance gains
> from a materialized view are worth the extra complexity.
It may even turn out there aren't any performance gains from having a
materialized view. That will depend on the mix of operations in production.
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