Re: Table Design for Hierarchical Data

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.

Hint: Where is the root node of a family tree? Old Adam & Eve?

On the other hand, a pedigree may be considered a true binary tree with a root 
node, the proband.

regards,
-- 
Leif Biberg Kristensen
http://solumslekt.org/