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Edgar F. Codd Dead

Edgar F. Codd
KindPerson
Born1923
Died2003
StatusDead

Published the relational model (1970) — the idea underneath every SQL database — while IBM ignored it.

Invented the relational model (1970) at IBM — 'A Relational Model of Data' — the paper every database descends from.\n\nTuring Award 1981; 'Codd's 12 rules' defined what relational means.