Foundation for future database systems : the third manifesto : a detailed study of the impact of type theory on the relational model of data, including a comprehensive model of type inheritance - Date, C. J.; Darwen, Hugh.; Darwen, Hugh. (Reading, MA : Addison-Wesley Professional, 2000)
Previously published as: Foundation for object/relational databases. 1998.
Includes bibliographical references and index.
Keywords: Object-oriented databases; Relational databases