Re: How do you genrate primary keys?

Exactly. Get a design with three or four levels of PK/FK relationships and watch the cascading everytime a mistyped natural PK needs to be edited to the correct value. It's just not practical.

Cheers
Nuno Souto
nsouto_at_optusnet.com.au
----- Original Message -----

>
> eg. if you update the natural key in the parent, you must also update the
> natural
> key everywhere it appears as an fk.
>
> This gets really ugly when you think about making modifications to the
> schema.
>

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Nuno Souto
  INET: nsouto_at_optusnet.com.au

Fat City Network Services    -- 858-538-5051 http://www.fatcity.com
San Diego, California        -- Mailing list and web hosting services
---------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from).  You may
also send the HELP command for other information (like subscribing).