Re: On Normalisation & the State of Normalisation

Op donderdag 5 februari 2015 17:44:06 UTC+1 schreef Nicola:
> In article <>,
> Erwin <> wrote:
>
> > Op donderdag 5 februari 2015 15:05:08 UTC+1 schreef Nicola:
> > > In article <>,
> > > Jan Hidders <> wrote:
> > >
> > > > > 1. The developer declares that the proposed extension satisfies 5NF.
> > > > > Is
> > > > > that correct ? If not, please state why, which NF is breaks, any
> > > > > errors
> > > > > that it may have, etc. A few words will suffice. I expect minimal
> > > > > discussion, but don't let me stop you.
> > > >
> > > > Yes, it is in 5NF. But it is not dependency preserving.
> > >
> > > Which dependencies are not preserved? With respect to what schema?
> > >
> > > Nicola
> > >
> >
> > If I tell him that, he tells me to learn to read.
>
> Jan?
>
> Nicola
>

Oops. "him" was Dereck, of course. Received on Thu Feb 05 2015 - 20:13:55 CET