Inclusion and equivalence between relational database schemata

DOI10.1016/0304-3975(82)90038-XzbMath0503.68071OpenAlexW2003266329MaRDI QIDQ1173416

Marina Moscarini, Giorgio Ausiello, Paolo Atzeni, Carlo Batini

Publication date: 1982

Published in: Theoretical Computer Science (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0304-3975(82)90038-x

zbMATH Keywords

schema equivalencedecomposition of relationsrepresentation powerschema inclusion

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)

Related Items (6)

Restructuring hierarchical database objects ⋮ Symmetries of knowledge bases ⋮ Inclusion and equivalence between relational database schemata ⋮ Isotypeness of models and knowledge bases equivalence ⋮ Equivalence of views by query capacity ⋮ Equivalence of keyed relational schemas by conjunctive queries

Cites Work

• Testing the universal instance assumption
• Inclusion and equivalence between relational database schemata
• A relational model of data for large shared data banks
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