Re: Generalised approach to storing address details

> > Parent(x,y)
>
> The above violates the implied intent of the Information Principle. It
> is implicitly encoding information that is not explicitly expressed by
> relations' tuples' attributes' values. It also violates POOD, according
> to Bob Badour. For more details, see earlier response to your "Because
> we know he won't read it of course."

Sorry, "Parent(x,y)" itself does not violate IP or POOD. I was assuming you will be encoding it as follows which does.

Table1
Parent Child
x y Received on Tue Dec 12 2006 - 19:37:11 CET