Re: Proposal: 6NF

J M Davitt <jdavitt_at_aeneas.net> wrote:

[snip]

>There's lots of potential confusion, here. The D+D crowd
>can be expected to say, "Wait! The only types that should
>be built-into a dbms are boolean, tuple, and relation."

     No, I think they would say that that is about all that is needed to have an operational DBMS. Of course, we want as many types as we can get, and of course, they are useful for other things (applications).

>Their view is that *users* should be able to specify what
>integers, rationals, strings, dates, gender, countries,
>currencies, etc., etc. the database should be able to handle.
>And, by handle, I mean represent, store, and operate upon.

     Yup.

[snip]

Sincerely,

Gene Wirchenko

Computerese Irregular Verb Conjugation:

     I have preferences.
     You have biases.
     He/She has prejudices.