From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Martijn van Oosterhout <kleptog(at)svana(dot)org> |
Cc: | Elaine Lindelef <eel(at)cognitivity(dot)com>, pgsql-general(at)postgresql(dot)org |
Subject: | Re: What is a tuple? |
Date: | 2002-06-26 03:58:35 |
Message-ID: | 200206260358.g5Q3wZH24947@candle.pha.pa.us |
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Lists: | pgsql-general |
Martijn van Oosterhout wrote:
> 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?
It's in the FAQ.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
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