Re: What is a tuple?

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От Bruce Momjian
Тема Re: What is a tuple?
Дата
Msg-id 200206261857.g5QIvGY25585@candle.pha.pa.us
обсуждение исходный текст
Ответ на Re: What is a tuple?  (Elaine Lindelef <eel@cognitivity.com>)
Ответы Re: What is a tuple?  (ktt <kestutis98@yahoo.com>)
Список pgsql-general
Elaine Lindelef wrote:
> > > A tuple is a row. Isn't this in the glossary somewhere?
> >
> >It's in the FAQ.
> >
>
> Thank you all for your help. Tuple = Row ; that makes sense.
>
> However, I do want to assure you that I spent some time on the
> postgresql.org website trying to find this information:
>
>     - What glossary? I really did look hard!
>
>     - No, it's not in the (English) FAQ. The only line about tuples is:
>
>     "5.3) How do I write a C function to return a tuple?
>     This requires wizardry so extreme that the authors have never
>     tried it, though in principle it can be done."
>
> And, since other areas of the FAQ and documentation use "row", it's
> easy to suspect that perhaps there's a different meaning for "tuple."
> (I presume what really happened is that different writers happened to
> prefer different vocabulary.)
>
> Perhaps someone would be kind enough to add this to the FAQ, or make
> the glossary more prominent on the site if it is explained there.

Already in the FAQ:

    <H4><A name="4.17">4.17</A>) What is the meaning of some of the
    terms used in PostgreSQL?</H4>

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