Maximum cardinality can be optional.

Name: Maximum cardinality can be optional.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Maximum cardinality in a relationship specifies the maximum number of entity occurrences that can be involved in a relationship instance. It is a defined property of the relationship, not optional, as it determines the nature of the relationship (e.g., one-to-one, one-to-many, many-to-many).

Maximum Cardinality Can Be Optional