Re: The job of a relational DBMS

From: Gene Wirchenko <genew_at_ocis.net>
Date: Tue, 01 Dec 2009 19:06:06 -0800
Message-ID: <6ambh51399t12gfluqogveena5fl40q3cc_at_4ax.com>

On Tue, 01 Dec 2009 20:48:33 +0100, Shakespeare <whatsin_at_xs4all.nl> wrote:

[snip]

>>> A relation does not have order. This would not be a relation
>>> select clicode,cliname from clients order by clicode
>>> because of the order by clause.
>
>I thought that one was about the order of attributes, not rows.

     It is both. Remember that a relation is a set of tuples. A set has no order.

[snip]

Sincerely,

Gene Wirchenko Received on Tue Dec 01 2009 - 21:06:06 CST