Re: Pizza Example
Date: Fri, 16 Apr 2004 23:11:24 +0100
In message <c57407$qn6$1_at_news.netins.net>, Dawn M. Wolthuis
>Well, I know several text book answers -- for example, using an RDBMS makes
>changes to software database applications less expensive and less risky. My
>experience tells me the opposite.
>Then there is the text book answer that says that "relational theory" is
>based on mathematics and logic and a relation is the simplest form of
>construct that fully addresses data modeling, therefore, it must be right.
>I have pointed out that a mathematical model is simply a metaphor and that
>there is nothing mathematical about the statement that the simplest model is
And without scientific evidence to show that the maths is *relevant*,
who gives a sh*t if the maths is perfectly correct. If it disagrees with
reality, the fact that it is "correct" is useless.
>The text book might indicate that using a DBMS provides us with constraint
>logic that protects the integrity of the database not just from end-user
>data, but from the mistakes of application software developers, thus helping
>us have a DBMS that is not specific to a single application. I have
>personal experience with several instances where this is true, but a lot
>more where it either didn't matter or where having such constraints
>specified made software developers "code around" the constraints.
-- Anthony W. Youngman - wol at thewolery dot demon dot co dot uk HEX wondered how much he should tell the Wizards. He felt it would not be a good idea to burden them with too much input. Hex always thought of his reports as Lies-to-People. The Science of Discworld : (c) Terry Pratchett 1999Received on Sat Apr 17 2004 - 00:11:24 CEST