Re: COMPUTED BY fields or equivalent?

From: Paul Ganainm <paulsnewsgroups(at)hotmail(dot)com>
To: pgsql-novice(at)postgresql(dot)org
Subject: Re: COMPUTED BY fields or equivalent?
Date: 2003-12-08 08:08:12
Message-ID: MPG.1a3e41c3bd1abf209896ab@news.gmane.org
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tgl(at)sss(dot)pgh(dot)pa(dot)us says...

> > I use Interbase (starting on PostgreSQL) which has a concept of
> > Full_Name VARCHAR(30) COMPUTED BY(First_Name || ' ' || Last_Name)

> You could do that with a view (if you don't want the derived field to be
> physically stored on disk) or with a trigger (if you do).

Yes, indeed - and both of these solutions would work perfectly fine with
Interbase/Firebird.

I was just wondering if PostgreSQL implemented a COMPUTED BY feature or
equivalent (as I said, I would also be curious about other RDBMS's).

Thanks for your input so far.

Paul...


> regards, tom lane

--

plinehan x__AT__x yahoo x__DOT__x com

C++ Builder 5 SP1, Interbase 6.0.1.6 IBX 5.04 W2K Pro

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