Codd and the mathematical model that turned into a multi-billion dollar industry
Lecture 9 Codd's 12 Rules in DBMS Hindi
Chapter 6 Relational Databases
Relational Model CODD Rule | Ms. Arti Bajaj (Asst. Prof.) | MCA TIAS on Tecnia TV
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. He made other valuable contributions to computer science, but the relational model, a very influential general theory of data management, remains his most mentioned, analyzed and celebrated achievement.