Word:

relational calculus

(database)relational calculus - An operational methodolgy, founded on predicate calculus, dealing with descripitive expressions that are equivalent to the operations of relational algebra. Codd's reduction algorithm can convert from relational calculus to relational algebra.

Two forms of the relational calculus exist: the tuple calculus and the domain calculus.

["An Introduction To Database Systems" (6th ed), C. J. Date, Addison Wesley].
Browse
Relate
Related
related to
Relatedness
Relater
relatiative
Relatio est fictio juris et intenta ad unum
Relatio semper fiat ut valeat dispositio
Relation
relation back
Relation never defeats collateral acts
Relation shall never make good a void grant or devise of the party
relation to
Relational
relational adjective
relational algebra
-- relational calculus --
relational data model
relational database
relational database management system
relational DBMS
relational language
relational model
Relationist
relations
Relationship
Relationships
Relatiorum cognito uno
Relative
relative atomic mass
relative clause
relative density
relative frequency
Definitions Index: # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

About this site and copyright information - Online Dictionary Home - Privacy Policy