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Re: One-One Relationship

Posted by Greg D. Moore \(Strider\) on 10/11/05 04:55

"Tom" <nospam@yahoo.com> wrote in message
news:xYz2f.357$tV6.193@newssvr27.news.prodigy.net...
> Hi,
>
> So, you don't know why one-to-one relationship is bad.

Oh, no, he does. He just told you why.

What Joe has trouble with is social skills. :-)


>
>
> "--CELKO--" <jcelko212@earthlink.net> wrote in message
> news:1128972939.513887.244770@g44g2000cwa.googlegroups.com...
> >>> I want to limit the number of columns to be the key. <<
> >
> > You missed the whole point of a data model. It is supposed to reflect
> > reality, and not your wishes. If the entities have a key that is made
> > of (n) atributes, then you have to put the proper constraints in the
> > DDL.
> >
> >>> have a company with many employees and computers. But instead of
> >>> classify all these, I just want to call all these as an entity. <<
> >
> > Kind of like a small child who uses the word "THINGIE" for everything
> > in creation? Please read a book on data modeling before you code
> > anything.
> >
> > "To be is to be something n particular; to be nothing in particular or
> > to be everythign in general is to be nothing at all" -- Aristotle
> >
>
>

 

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