http://www.onlamp.com/lpt/a/5220
Stéphane Faroult first discovered the relational model and the SQL language in 1983.
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnsqlpro05/html/sp05a1.asp
http://searchoracle.techtarget.com/ateQuestionNResponse/0,289625,sid41_cid611283_tax301455,00.html