Relational Completeness of Data Base Sublanguages.

Codd, E. F. (1972). Relational Completeness of Data Base Sublanguages. Database Systems.

Type

Book chapter

Intellectual base

Review or monograph

Year

1972

Link

https://www.inf.unibz.it/~franconi/teaching/2006/kbdb/Codd72a.pdf

Cited from

mathematics

Cited by

1 citation across 1 artifact.

Each citation links to the sentence it supports in the citing article.

Primes

• Quantifier
  • In database queries existence, universal, and aggregate-count operators are quantifiers over rows, and query semantics live or die by quantifier scope.

    This sourceDefines relational calculus including existential and universal quantification over tuples — quantifiers as the basis of query semantics.

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