Re: Objects and Relations

On Feb 24, 4:02 am, "Cimode" <cim..._at_hotmail.com> wrote:
> On 24 fév, 00:41, "Marshall" <marshall.spi..._at_gmail.com> wrote:
>
> > > What is a *formal language* to you?
>
> > Here's a good starting point to learn about formal languages:
>
> >http://en.wikipedia.org/wiki/Formal_language
>
> > > Which one are you refering to ?
>
> > Since he said "_a_ formal language" it is clear he didn't mean
> > a specific one.
>
> I know exactly that. But discussing database theory *is* about being
> specific (remember Codd's commitment to terminology). In case of RM,
> *formal language* is a vague term for *mathematical set theory
> symbology*.

You might want to start with the introductory wikipedia entry first. It will give you a good start in learning that "formal language" has a very specific meaning that is not particular to set theory.

Marshall Received on Sat Feb 24 2007 - 16:47:51 CET