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Tuple relational calculus

Tuple calculus is a calculus that was created and introduced by Edgar F. Codd as part of the relational model, in order to provide a declarative database-query language for data manipulation in this data model. It formed the inspiration for the database-query languages QUEL and SQL, of which the latter, although far less faithful to the original…

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Tuple relational calculus

Nodes29
Edges28
Triples2
Avg. degree1.93
Density0.068966
Components1

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Tuple relational calculus

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related to Systems · 2
Tuple relational calculus → An, DES

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Important terminology

tuple domain relational query database set name model calculus relation tuples queries schema given formula displaystyle expression formulas safe define

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SubjectPredicateObjectConfidenceSrc
Tuple relational calculusrelated to SystemsDES0.60section
Tuple relational calculusrelated to SystemsAn0.60section

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