title: A relational model of data for large shared data banks. 1970.
authors.forename: E F
authors.initials: EF
authors.lastname: Codd
mesh_terms: D019992:Databases as Topic / Q000266:history; D016208:Databases, Factual / Q000266:history*; D049673:History, 20th Century; D008962:Models, Theoretical; D011381:Programming Languages; D014584:User-Computer Interface