Constraints on the number of entities in a relationship are called ________ cardinalities.
A) specific
B) minimum
C) primary
D) critical

Question

Quizplus · Accepted Answer

Cardinalities define the number of instances in one entity which can relate to the number of instances in another entity via a relationship. The minimum number of instances that must exist in a relationship is referred to as the minimum cardinality. The other options are incorrect, as specific cardinalities, primary cardinalities, and critical cardinalities are not common terms used in data modeling.

Constraints on the Number of Entities in a Relationship Are