Re: Database design, Keys and some other things

vldm10 wrote:
> If you mean that birth date is exactly one date when a person began to
> live, then It doesn't seem to me that it is the attribute of the
> person. The Age of the person is the attribute of the person and is
> derived from birth date and todays data

How can you derive age if birthdate isn't an attribute of the person? Where would you get the birthdate from?

Marshall Received on Tue Sep 27 2005 - 07:36:47 CEST