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Longer titles found: Domain relational calculus (view), Tuple relational calculus (view)

searching for Relational calculus 6 found (35 total)

Alpha (programming language) (149 words) [view diff] case mismatch in snippet view article

defined in Codd's 1971 paper "A Data Base Sublanguage Founded on the Relational Calculus". Alpha influenced the design of QUEL. It was eventually supplanted

Navigational database (1,167 words) [view diff] exact match in snippet view article find links to article

(for example, spatial databases and engineering databases), the relational calculus had limitations. At that time, a reappraisal of the entire database

Yordan Kyosev (1,098 words) [view diff] case mismatch in snippet view article find links to article

conference was held again in 2023. Peeva, K., Kyosev, Y., Fuzzy Relational Calculus: Theory, Applications and Software (with CD-ROM), World Scientific

Primary key (887 words) [view diff] exact match in snippet view article find links to article

KEY constraint in SQL). The relational model, as expressed through relational calculus and relational algebra, does not distinguish between primary keys

Query by Example (764 words) [view diff] case mismatch in snippet view article find links to article

Systems (3rd ed.), Wisc. Date, Christopher ‘Chris’ J. (2004), "8. Relational Calculus", An Introduction to Database Systems, Addison-Wesley Pearson, pp

Logic programming (10,723 words) [view diff] exact match in snippet view article find links to article

predicate logic. Other relational programming languages are based on the relational calculus or relational algebra. Viewed in purely logical terms, there are