Re: Where can i find the original database rules from Codd?

hi
thank you for your answer.
But i think to know, that the first original rules from codd are 9 or 8 database rules. I dont mean any explicit OLAP rules. And THIS first paper i search it.
But now i will first check out your given links. greetings
tobias

> A quick Google search fill find plenty of relevant material, such as
> http://www.itworld.com/nl/db_mgr/05072001/
> http://newton.uor.edu/FacultyFolder/CKettemborough/Codd12R.html
> http://www.itworld.com/nl/db_mgr/09022002/pf_index.html
> http://itmanagement.webopedia.com/TERM/C/Codds_Rules.html
> http://engr.smu.edu/~fmoore/12rules.htm
>
> Note that Codd's relational rules are nothing to do with his later, and
> much less respected, OLAP rules.
>
> Codd played a big role in inventing the relational database, so although
> his relational rules are rather theoretical, they still have some
> limited relevance some 20 years later. They were, in any case, based on
> genuine research. On the other hand, he knew almost nothing about OLAP,
> and had little to do with creating his 12 or 18 OLAP rules, which were
> based on the features of Essbase, whose vendor sponsored the white
> paper.
Received on Mon Mar 01 2004 - 15:35:13 CET