Re: Views- Advantages and Disadvantages

From: "Andrej Ricnik-Bay" <andrej(dot)groups(at)gmail(dot)com>
To: "Ron Johnson" <ron(dot)l(dot)johnson(at)cox(dot)net>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Views- Advantages and Disadvantages
Date: 2007-05-09 08:33:39
Message-ID: b35603930705090133p346d1a56g25aa0f4ea1b68cd8@mail.gmail.com
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On 5/9/07, Ron Johnson <ron(dot)l(dot)johnson(at)cox(dot)net> wrote:
> > 1) Performance : If a view is defined by complex multitable
> > query,then simple query against that view becomes a coplecated
> > join, and it may take a long time to complete
> I don't see that as relevant, since we know which objects are tables
> and which are views. But maybe that's just our site.
Plus, to retrieve the same information w/o the view he'd
still have to have the same multi-table query which would
a) take as long to run and b) take much longer to type :)

Cheers,
Andrej

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