| From: | Martijn van Oosterhout <kleptog(at)svana(dot)org> |
|---|---|
| To: | "A(dot)M(dot)" <agentm(at)themactionfaction(dot)com> |
| Cc: | Postgres general mailing list <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Fabian Pascal and RDBMS deficiencies in fully |
| Date: | 2006-06-09 16:50:01 |
| Message-ID: | 20060609165001.GE26418@svana.org |
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| Lists: | pgsql-general pgsql-hackers |
On Fri, Jun 09, 2006 at 12:01:07PM -0400, A.M. wrote:
> So you should normalize and add relations to represent the state
> adequately. NULL doesn't give you enough information anyway- does NULL in
> a birthday header mean "no birthday", "n/a" (a business doesn't have a
> birthday), "not born yet", etc... Using real data, you can represent any
> of these states.
What's makes you think I'm interested in storing the distinctions?
Either I know the birthday or I don't. If I want to work out why I
don't know it, yeah, it's worth storing the state. There are other ways
of finding that out (for example you can readily tell if you're looking
at a business and I know the system doesn't have people that aren't
born yet). But mostly I just need to track that it's not known.
Have a nice day,
--
Martijn van Oosterhout <kleptog(at)svana(dot)org> http://svana.org/kleptog/
> From each according to his ability. To each according to his ability to litigate.
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