Functional Dependencies and Disjunctive Existence Constraints in Database Relations with Null Values

Paolo Atzeni, Nicola M. Morfuni. Functional Dependencies and Disjunctive Existence Constraints in Database Relations with Null Values. In Jan Paredaens, editor, Automata, Languages and Programming, 11th Colloquium, Antwerp, Belgium, July 16-20, 1984, Proceedings. Volume 172 of Lecture Notes in Computer Science, pages 69-81, Springer, 1984.

Abstract

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