KnowraEdgar F. CoddLinked fromLinked fromThe 3 pages that link to Edgar F. Codd, each with the reason it gives.All 3Related 3SQLRelated: Codd's model supplied the theoretical foundation that SQL systems adopted.RelationRelated: Codd introduced relations as the foundation for a new database model.Oracle CorporationRelated: Codd’s model supplied the database idea that Oracle turned into a commercial product.