Strong equivalence of relational expressions under dependencies

DOI10.1016/0020-0190(82)90087-4zbMath0531.68051OpenAlexW2079183209WikidataQ114685346 ScholiaQ114685346MaRDI QIDQ788498

Marc H. Graham, Alberto O. Mendelzon

Publication date: 1982

Published in: Information Processing Letters (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0020-0190(82)90087-4

zbMATH Keywords

relational databasequery processingalgorithm for multi-relation query equivalencedata dependency

Mathematics Subject Classification ID

Data structures (68P05) Information storage and retrieval of data (68P20) Other classical set theory (including functions, relations, and set algebra) (03E20)

Cites Work

• Unnamed Item
• Preserving Functional Dependencies
• Equivalences among Relational Expressions

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