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Home -> Community -> Mailing Lists -> Oracle-L -> 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).Received on Fri Nov 07 2003 - 01:09:52 CST
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