Minimum cardinalities in an E-R diagram refer to the minimum number of entities required in a(n)________.
A)department
B)database
C)attribute
D)relationship

Question

Quizplus · Accepted Answer

Minimum cardinalities refer to the minimum number of entities required in a relationship. This specifies the minimum number of occurrences of one entity for a single occurrence of the related entity. A minimum cardinality of one means that an instance of the entity must participate in at least one instance of the relationship.

Minimum Cardinalities in an E-R Diagram Refer to the Minimum