Re: What is a tuple?

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От Bruce Momjian
Тема Re: What is a tuple?
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Msg-id 200206260358.g5Q3wZH24947@candle.pha.pa.us
обсуждение исходный текст
Ответ на Re: What is a tuple?  (Martijn van Oosterhout <kleptog@svana.org>)
Ответы Re: What is a tuple?  (Elaine Lindelef <eel@cognitivity.com>)
Список 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.

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