_____________, express the number of entities to which another entity can be associated via a relationship set.
A. Mapping Cardinality
B. Relational Cardinality
C. Participation Constraints
D. None of the mentioned
Answer:A
_____________, express the number of entities to which another entity can be associated via a relationship set.
A. Mapping Cardinality B. Relational Cardinality C. Participation Constraints D. None of the mentioned
Explanation:Mapping cardinality is also called as cardinality ratio. 2. An entity in A is associated with at most one entity in B, and an entity in B is associated with at most one entity in A.This is called as