Definition of Relationship

Definition Last Updated 17-Dec-2015 12:51

A relationship is a correspondence between sets of attributes of entities, either two or more sets belonging to a single entity or sets belonging to multiple entities, such that, according to the application of a rule the value of one set of attributes determines the values of others.

A relationship is not a direct correspondence between entities, even though diagrammatic representations of relationships might suggest this, nor is it a contingent relation between attribute values, i.e. a relation, such as “>” in “A > B”

Relationships typically express linguistic and logical truths such as, “If A is the father of B, then B is a child of A.”


Relationship is a defined term of Enterprise Architecture. Relationships is a defined term of Business Analysis.

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