Re: Advice on SQL and records

From: David Cressey <david.cressey_at_earthlink.net>
Date: Wed, 24 Aug 2005 13:16:33 GMT
Message-ID: <Rq_Oe.1190$FW1.672@newsread3.news.atl.earthlink.net>

"Paul" <paul_at_see.my.sig.com> wrote in message news:h7img1512u15iktiiqf4n72lmlertsmnt4_at_4ax.com...
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> "David Cressey" <david.cressey_at_earthlink.net> wrote:
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> > > What does "cardinality" mean? What's an "optimizer"?
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> > The cardinality of that table is the number of rows in the table.
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> Surely you mean records, or tuples? Rows are for spreadsheets.

No, I mean "rows". Rows are not just for spreadsheets. They are for tables as well.
The standard terminology, in SQL parlance, is about tables, rows, columns, and domains.

Whether SQL parlance is appropriate for this discussion is another question. Received on Wed Aug 24 2005 - 08:16:33 CDT