Re: domain questionnaire

"Jan Hidders" wrote
> I don't really agree. For introducing time stamps you don't need to
> change the relational model. You just need to reconsider very carefully
> what exactly the facts are that every record represents.

The morning star can be either Venus, Mercury, or, I think, Mars or Jupiter, depending on the angles. What's the identity of the morning star?

When you said "morning star", etc. I thought you were referring to this fact.

--
Regards,
    David Cressey
    www.dcressey.com