From: Leif Biberg Kristensen <leif@solumslekt.org>
To: pgsql-sql@postgresql.org
Subject: Re: Table Design for Hierarchical Data
Date: Mon, 12 Apr 2010 17:56:01 +0200
Message-ID: <201004121756.01370.leif@solumslekt.org> (raw)
In-Reply-To: <4BC33E56.3000704@gmail.com>
References: <n2i5ab13581004061033j4ed25734xd0504cb95a1fc092@mail.gmail.com>
<201004121730.18837.leif@solumslekt.org>
<4BC33E56.3000704@gmail.com>
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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To: pgsql-sql@postgresql.org
Cc: leif@solumslekt.org
Subject: Re: Table Design for Hierarchical Data
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