Re: What is a tuple?
От | Bruce Momjian |
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Тема | Re: What is a tuple? |
Дата | |
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?
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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. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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