Re: On Normalisation & the State of Normalisation

In article <a24a286a-4212-40b3-bcee-782ca8bd2d0b_at_googlegroups.com>,  Erwin <e.smout_at_myonline.be> 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

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