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Relvar

In relational databases, relvar is a term introduced by C. J. Date and Hugh Darwen as an abbreviation for relation variable in their 1995 paper The Third Manifesto, to avoid the confusion sometimes arising from the use of the term "relation", by the inventor of the relational model, E. F. Codd, for a variable to which a relation is assigned as well as…

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Relvar

Nodes11
Edges10
Triples1
Avg. degree1.82
Density0.181818
Components1

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Relvar

Top relations

is a · 1
Relvar → term introduced by C

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Important terminology

term relation variable database use used relational date texts schema constraints databases hugh darwen third manifesto model introduction systems isbn

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Relvaris aterm introduced by C0.90text

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    Min side: 3
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