On Fri, May 22, 2009 at 3:26 PM, Roderick A. Anderson
<raanders@cyber-office.net> wrote:
> Brandon Metcalf wrote:
>> That does help. So, in my example of a table consisting of rows for
>> each periodic table element, the atomic number would suffice as a
>> unique key since, well, it's unique and not going to change. Right?
>
> Well you never know. They took planet status away from Pluto. :-)
*g*
--
GJ