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  • From: Len Bullard <len.bullard@u...>
  • To: Ken North <kennorth@s...>, xml-dev@l...
  • Date: Fri, 12 Oct 2007 16:45:11 -0500

Chamberlin also worked with Goldfarb.  There is a jointly published paper on
applications of SGML to non-document systems such as databases and vector
graphics.  It predates the web work in most subjects.


From: Ken North [mailto:kennorth@s...] 

>> SQL (from memory) was originally defined by Ted Codd as part of
System R - the first relational database.

Not quite.

1. Ted Codd published his seminal paper on the relational model in 1970. He 
cited the 1968 work of D.L. Childs on Set Theoretic Data Structures.

2. In 1973, Ray Boyce and Don Chamberlin invented SQL while working at IBM
System R. Boyce died in 1974, but Don Chamberlin played a major role in the 
development of XQuery. Chamberlin, Jonathan Robie and Daniela Florescu
Quilt, the XML query language that's the ancestor of XQuery.

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