Re: Table Design for Hierarchical Data
| От | Leif Biberg Kristensen |
|---|---|
| Тема | Re: Table Design for Hierarchical Data |
| Дата | |
| Msg-id | 201004121756.01370.leif@solumslekt.org обсуждение |
| Ответ на | Re: Table Design for Hierarchical Data (Yeb Havinga <yebhavinga@gmail.com>) |
| Список | 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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