Re: theory and practice: ying and yang

From: David Cressey <david.cressey_at_earthlink.net>
Date: Mon, 30 May 2005 02:30:06 GMT
Message-ID: <OUume.12632$w21.763_at_newsread3.news.atl.earthlink.net>


"mountain man" <hobbit_at_southern_seaweed.com.op> wrote in message news:PBRle.3855$BR4.3767_at_news-

> Codd, not Date, was the author of the RM.

I disagree. In the 1970 paper, Codd mentions that the RM had been used in connection with inference engines.

What is new with Codd is the application of the relational model to database system design. Received on Mon May 30 2005 - 04:30:06 CEST

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