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On Tuesday 12 June 2001 03:26, Daemen, Remco wrote:
> Not good enough ! According to various documents, you should add your own
> primary key (surrogate key), which also makes it easier to keep track of
> history and combine various sources. I agree with Lee: you should never
> implement a PK with non-unique values.
>
Yes! Yes! Yes!
http://www.dbmsmag.com/9805d05.html
http://www.dbpd.com/vault/9805xtra.htm
Plus numerous database design references, anecdoctal experiences, etc.
Jared
-- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Jared Still INET: jkstill_at_cybcon.com Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- 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 Tue Jun 12 2001 - 14:05:20 CDT