Re: Constraints and Functional Dependencies

On Feb 26, 8:40 am, "Marshall" <marshall.spi..._at_gmail.com> wrote:
> On Feb 25, 11:01 pm, "Cimode" <cim..._at_hotmail.com> wrote:
>
> > On 26 fév, 05:13, "NENASHI, Tegiri" <tnmai..._at_gmail.com> wrote:
>
> > > This is a fact that is very well known that one can express constraints
> > > as implications. Like Abiteboul said in some place "the presence of
> > > some tuples *implies* the presence of some other tuples" (or something
> > > like this).
>
> > Would you please suggest a reference to Abiteboul's works. Not the
> > first time I hear about him but I never had a chance to read him.
>
> I believe the specific work Tegi is referring to is:
>
> http://www.amazon.com/Foundations-Databases-Logical-Serge-Abiteboul/d...
>
> (Aside: you would not believe what I had to go through to get even a
> modestly short url for this book.)
>
> Also known as the Alice Book.
How reliable is this author? Have you read the book...

> Marshall
Received on Mon Feb 26 2007 - 11:17:15 CET