Re: Artificial Primary keys
Date: Mon, 28 Jan 2002 20:49:04 GMT
> I practice, if "time and place" by an error was recorded wrongly, you would
> have to change the key - not because then person became another person, but
> due to an error. Errors happens.
That's because what you are actually using as the key is *not* the "time
and place of birth", it is "a person's attempt to record the time and
place of birth".
That's a problem, I suppose, for *any* key that has to be input rather
than generated internally.
That's a problem, I suppose, for *any* key that has to be input rather than generated internally.
-- Ben Clifford http://www.hawaga.org.uk/ben/ GPG: 30F06950 webcam: http://barbarella.hawaga.org.uk/benc-cgi/watchers.cgi Do not ever send e-mail to: philip_at_hawaga.org.uk (seriously!)Received on Mon Jan 28 2002 - 21:49:04 CET