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zbMath0662.68109MaRDI QIDQ3813330

V. D. Thi, Janos Demetrovics

Publication date: 1987

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

closure operation functional dependencies minimal keys relational data model Sperner-systems

Mathematics Subject Classification ID

Information storage and retrieval of data (68P20)

Related Items (7)

Family of functional dependencies and its equivalent descriptions ⋮ Some results about normal forms for functional dependency in the relational datamodel ⋮ Approximate inference of functional dependencies from relations ⋮ Some problems concerning keys for relation schemes and relations in the relational datamodel ⋮ Non-deterministic ideal operators: an adequate tool for formalization in data bases ⋮ Functional dependencies in relational databases: A lattice point of view ⋮ Algorithms for generating an Armstrong relation and inferring functional dependencies in the relational datamodel

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