On the connections between relations, relation schemes and keys

Vũ Đức Thi

Abstract


The relation, relation schemes, keys and antikeys are essential concepts in the relational datamodel. In this paper, we present some computational connections between relations, relation schemes and sets of minimal keys.

Some another combinatorial results connecting them also are given.




Journal of Computer Science and Cybernetics ISSN: 1813-9663

Published by Vietnam Academy of Science and Technology