Codd's 'A Relational Model' Paper

Edgar F. Codd published his seminal paper, 'A Relational Model of Data for Large Shared Data Banks', laying the mathematical and theoretical foundation for all future relational database systems.

Significance

This paper introduced the revolutionary concept of the relational model, proposing data independence and a rigorous mathematical basis for data organization and querying, sparking a new era in database research and development.