Re: Oracle NULL vs '' revisited

On Aug 25, 7:30 pm, Ed Prochak <edproc..._at_gmail.com> wrote:
> On Aug 25, 2:58 am, "Tony Rogerson" <tonyroger..._at_torver.net> wrote:
>
> > > If it CAN change it is NOT a key. That is the definition. Let me give
> > > you an example.
>
> > That's just Oracle speek in the Oracle environment because your candidate
> > key cannot be changed ->http://orafaq.com/node/24.
>
> Tony,
>
> try dropping into comp.database.theory
> I doubt you will last long in that forum.

:-) http://groups.google.com/group/comp.databases.theory/msg/24a358b989f29903?dmode=source

jg

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