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Ted codd
- 1. Presentation On TED CODD By:- SnehaDhiman and Tushar Sharma
- 2. Who is TedCodd ? •Edgar Frank "Ted" Codd was an English computer scientist who, while working for IBM, invented the relational model for database management, the theoretical basis for relational databases and relational database management systems
- 3. Codd’s Childhood Edgar FrankCodd was born in Fortuneswell. After attending Poole Grammar School, he studied mathematics and chemistry at Exeter College, Oxford.
- 4. Achievements •He was presentedwith the Turning Award on Nov-9-1981 For his fundamental and continuing contribution to the theory and Practice RDBMS
- 5. Brief History ofTed Codd 1. His Father was a leather manufacturer and His Mother was a School teacher. 2. He was Born in 1923 southEast England. 3. Went on full scholarship to Exeter college, Oxford, initially studying chemistry 4. He Joined the Royal Air Force and served in world war 2 after the war he Earned B.A and M.A in Mathematics from oxford.
- 6. Brief History ofTed Codd 5. He joined IBM in 1949 and Left US in 1953 6. In 1957 he rejoined IBM in US 7. He completed his M.sc and PH.D in computer and communication Science in 1965
- 7. Data Base ManagementSystem • He invented RDBMS while working for IBM • And He Proposed 12 Rules • Basically 13 Rules not 12
- 8. Codd’s motivation inProposing the Relational Model There were Two motivations behind why codd came up with the relational model: 1) The dependence of a programmer or application developer on the way the data is modelled, stored and navigated 2) Loss of programmer productivity due to effort spent on “ manual Optimization “
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