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Non-unique index and normalization

From: John Hunter <jthunter_at_nbnet.nb.ca>
Date: Wed, 01 May 2002 18:27:40 GMT
Message-ID: <wsWz8.8720$cT2.886581@news-nb00s0.nbnet.nb.ca> 





Is there a normalization rule that indicates that there must be an unique PK
key on every table in the database?  I am having a debate with a co-worker
and one of us says that there has to be one and the other disagrees.  Who is
right?



Thanks,


-John
Received on Wed May 01 2002 - 13:27:40 CDT












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