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Memorial Tributes Volume 12 (2008) / Chapter Skim
Currently Skimming:

Edgar F. Codd
Pages 80-87

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From page 81...
... The entire relational database industry, now worth many billions of dollars a year, owes its existence to Ted's original work; the same is true of all relational database research and teaching programs in universities and similar organizations worldwide. Indeed, all of us who work in this field owe our careers and livelihoods to Ted's contributions from the late 1960s to the early 1980s.
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From page 82...
... Most of the novel ideas described in outline in the following paragraphs, as well as numerous subsequent technical developments, were foreshadowed in these first two papers; some of these ideas have still not been fully explored. In my opinion, everyone professionally involved in database management should read, and reread, at least one of these papers every year.
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From page 83...
... Ted subsequently defined the relational calculus more formally, as well as the relational algebra, in "http://www. informatik.uni-trier.de/~ley/db/labs/ibm/RJ987.html Relational Completeness of Data Base Sublanguages," in Database Systems: Courant Computer Science Symposia Series 6, edited by Randall J
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From page 84...
... The Information Principle (which I heard Ted refer to one occasion as the fundamental principle underlying the relational model) relies on it, albeit not very explicitly: "The entire information content of a relational database is represented in one and only one way: namely, as attribute values within tuples within relations." In addition to all of his research activities, Ted was active professionally in other areas.
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From page 85...
... . In addition, his work on natural language processing was described in several publications, including "Seven Steps to Rendezvous with the Casual User," in Data Base Management, Proceedings of the IFIP TC-2 Working Conference on Data Base Management 1974, edited by J.W.
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From page 86...
... 86 MEMORIAL TRIBUTES six grandchildren; other family members; and friends and colleagues around the world. He is mourned and sorely missed by all.
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