Database pioneer Edgar Codd dead at 79
April 23, 2003[From USATODAY]
AVENTURA, Fla. (AP) - Edgar Frank Codd, a mathematician and computer scientist whose theories led to the creation of organized computer databases, has died. He was 79.
Before Codd's work found its way into commercial products, electronic databases were "completely ad hoc and higgledy-piggledy," said Chris Date, a former business partner of Codd's, who was known as Ted.
Codd's ideas, based on mathematical set theory, was to store data in cross-referenced tables. Relational databases were created with that principle and are now used in systems ranging from hospitals' patient records to airline flights and schedules.
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