Re: What is a tuple?

From: "David Siebert" <dsiebert(at)eclipsecat(dot)com>
To: "Martijn van Oosterhout" <kleptog(at)svana(dot)org>
Cc: <pgsql-general(at)postgresql(dot)org>
Subject: Re: What is a tuple?
Date: 2002-06-27 13:17:22
Message-ID: IKEGLLMPGKGBHEFNLPDJCEBNDDAA.dsiebert@eclipsecat.com
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Tuple = row... Why not just use row? I know what a tuple is but it seems
like a word to impress more than inform.

-----Original Message-----
From: pgsql-general-owner(at)postgresql(dot)org
[mailto:pgsql-general-owner(at)postgresql(dot)org]On Behalf Of Martijn van
Oosterhout
Sent: Tuesday, June 25, 2002 10:54 PM
To: Elaine Lindelef
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: [GENERAL] What is a tuple?

On Tue, Jun 25, 2002 at 02:40:03PM -0700, Elaine Lindelef wrote:
> My apologies for the stupid question, but before I started using
> postgres I never came across the word "tuple" quite in this context
> before. I know a "tuple" as "a data object containing two or more
> components" ... but I'm not sure of its precise meaning in the
> postgres universe. Is a tuple a row, a field value, a field value
> paired with its datatype, what? If someone asks me the size of my
> largest tuple, how do I calculate it? It seems to be related deeply
> to the structure of postgres somehow.

A tuple is a row. Isn't this in the glossary somewhere?
--
Martijn van Oosterhout <kleptog(at)svana(dot)org> http://svana.org/kleptog/
> There are 10 kinds of people in the world, those that can do binary
> arithmetic and those that can't.

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