| From: | Leif Biberg Kristensen <leif(at)solumslekt(dot)org> |
|---|---|
| To: | pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: Table Design for Hierarchical Data |
| Date: | 2010-04-12 15:56:01 |
| Message-ID: | 201004121756.01370.leif@solumslekt.org |
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| Lists: | pgsql-sql |
On Monday 12. April 2010 17.37.58 Yeb Havinga wrote:
> Leif Biberg Kristensen wrote:
> > On Monday 12. April 2010 16.57.38 Rob Sargent wrote:
> >
> >> Believe me: "ego-ma-pa" will correctly define genealogical relationships
> >> (at least among humans).
> >>
> >
> > Yes, but a family tree is not a hierarchical tree as defined in database
> > theory. Believe me: I'm a genealogist.
> >
> The last sentence is almost like the 'proof by authority' from 36
> methods of mathematical proof, see e.g.
> http://jwilson.coe.uga.edu/EMT668/EMAT6680.F99/Challen/proof/proof.html.
Sure, I'm also an autocephalic bishop of no fixed abode
<http://www.youtube.com/watch?v=JTcx_IaI8BY>. Sorry that I forgot to mention
that.
:D
regards,
--
Leif Biberg Kristensen
http://solumslekt.org/
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