Re: Character string relation and functional dependencies

On 9 dec, 17:15, Marshall <marshall.spi..._at_gmail.com> wrote:
> On Dec 9, 4:47 am, Jan Hidders <hidd..._at_gmail.com> wrote:
>
>
>
> > On 7 dec, 01:24, Tegiri Nenashi <TegiriNena..._at_gmail.com> wrote:
>
> > > On Dec 6, 2:38 pm, Jonathan Leffler <jleff..._at_earthlink.net> wrote:
>
> > > > Tegiri Nenashi wrote:
> > > > > On Dec 6, 9:40 am, rp..._at_pcwin518.campus.tue.nl (rpost) wrote:
> > > > >> Another difference is that database tables are finite and variable,
>
> > > > > Oh, relations in database world are certainly not restricted by finite
> > > > > cardinality.
>
> > > > I thought that computers are finite, so the relations containable in
> > > > them are too - even if damn large. There's a big difference between
> > > > very large and infinite.
>
> > > This doesn't really matter. You can still reason about infinite
> > > relations with finite resources available on you computer platform.
>
> > Indeed you can. In case anyone is interested in a concrete example:
>
> >http://cse.unl.edu/~revesz/cdb/index.htm
>
> Looks very interesting. I bought the intro book.

Nice! I only read the other book myself, but I've met Peter and he writes very nice papers and gives good talks, so I suspect he writes well.

• Jan Hidders