Thank you. That´s the right link

greetings
tobias

On Wed, 3 Mar 2004 08:29:45 +0100, "Tobias Faust"
<tobias.faust (AT) gmx (DOT) net> wrote:

This is the 1981 Turing Award and does not contain any "rules",
numbered or not.

According to his lecture, the "original definition of the relational
model" appeared in

E.F. Codd, A Relational Model of Data for Large Shared data Banks,
Communications of the ACM 13, 6 (June 1970), 377-387

and "an improved version" in

E.F. Codd, Extending the Database Relational Model to Capture More
Meaning, ACM Transactions on Database Systems, 4, 4 (December 1979),
397-434.

(Both papers are in the ACM digital library).

You can find "Rules 1 - 7" in the second of these papers, however,
these are not "Codds Rules" as understood today and cited above by
CELKO. So I think your question is still open. I'm interested in an
answer, too!

Greetings
Matthias Kläy
--
www.kcc.ch

hi

i´ve looking for the original 8 rules of codd. And i´ve found these 8 rules
in the magazin

Codd, E.F.: Relational Database: A Practical Foundation of Productivity.
Communications of the ACM, Volume 25, Nr.2, page 109-117, february 1982

see at page 114 at the right side.

greetings
tobias

On Thu, 4 Mar 2004 15:01:16 +0100, "Tobias Faust"
<tobias.faust (AT) gmx (DOT) net> wrote:

I think you are right. I have been expecting something more "formal".
There is also the reference to the 1985 Computerworld articles,

Codd, E. (1985). "Is Your DBMS Really Relational?" and "Does Your DBMS
Run By the Rules?" ComputerWorld, October 14 and October 21

but I have not been able to find a copy of these papers.

Greetings, Matthias Kläy
--
www.kcc.ch