Re: theory and practice: ying and yang

On Wed, 25 May 2005 12:28:52 GMT, "mountain man" <hobbit_at_southern_seaweed.com.op> wrote:

>> Of course, but this is rather contradictorial with many of your
>> previous posts.
>
>Really? Is it not possible that a person can consider
>multiple points of view, or must one consider just one
>POV?
A person can consider multiple points of view, but he should not state contradictorial points of view.

>> Where do you want to go with this?
>
>Consider that:
>
>1) Current (RM) theory has not substantially changed in 30 years

Agreed

>2) The practice-environment of DBMS theory has substantially
> changed in this time, in fact one might be entitled to claim it
> has changed by a quantum leap

Because there was a gap between the creation of the Relational Model and the commercialization of the SQL DBMS.

The practice of DBMS has not substatially changed in 20 years.

> --- in the use of RDBMS
> software (ie: built in accordance to the principles of the RM).

SQL DBMS software was not built in accordance to the principles of the RM.

>3) Date openly admits that current (RM) theory is not understood
> by database professionals.
>
>You tell me what the implications are.

The industry is not taking full advantage of the Relational Model.

Regards Received on Wed May 25 2005 - 08:51:50 CDT