On Tue, 25 Jun 2002, Timothy Reaves wrote:
> A 'tuple' is not a database - nor PostgreSQL - term. It is a
> mathimatical term meaing a set. Withen the context of databases, a tuple
> is always a row. 'Tuples' refers to the tuple set, or row set.
And, in the same mathematical language of relational databases, what we
commonly call a "table" is a "relation". "Columns" are called "attributes".
A good database management book will teach you the vocabulary.
Rich
Dr. Richard B. Shepard, President
Applied Ecosystem Services, Inc. (TM)
2404 SW 22nd Street | Troutdale, OR 97060-1247 | U.S.A.
+ 1 503-667-4517 (voice) | + 1 503-667-8863 (fax) | rshepard@appl-ecosys.com
http://www.appl-ecosys.com
