Closed sets and translations of relation schemes

DOI10.1016/0898-1221(91)90227-UzbMath0714.68021MaRDI QIDQ751255

Nguyen Xuan Huy, Janos Demetrovics

Publication date: 1991

Published in: Computers \& Mathematics with Applications (Search for Journal in Brave)

zbMATH Keywords

generatorsclosurefunctional dependenciesclosed setkeyantikeycoatomsrelation schemes

Mathematics Subject Classification ID

Analysis of algorithms and problem complexity (68Q25) Database theory (68P15)

Cites Work

• Minimum matrix representation of closure operations
• On the number of candidate keys
• Candidate keys for relations
• Fast algorithms for the elimination of common subexpressions
• On the Structure of Armstrong Relations for Functional Dependencies
• Decompositions and functional dependencies in relations
• Structure of closures in relational schemas with join and functional dependencies
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