Functional dependency

Noun

Word Frequency: 0.1

Definitions

1.NounGiven a relation R and two sets of attributes X , Y ⊆ R {\displaystyle X,Y\subseteq R} , a constraint X → Y {\displaystyle X\rightarrow Y} where each X value in R is associated with precisely one Y value in R.

Synonyms

transitive dependency constraint function referential integrity dependence grammar cardinality interdependency dependency grammar corelation government necessitude cohesion

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