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Data Modeling with ER Model

Q1: Which of the following indicates the maximum number of entities that can be involved in a relationship?

A Minimum cardinality

B Maximum cardinality

C ERD

D Greater Entity Count (GEC)

ANS:B - Maximum cardinality

Cardinality ratio is the property of relationship set that indicates the ratio in which entities of different entity sets are related by relationship set or by itself.

So, it is obvious that if cardinality increases then the ratio by which the different entities of the entity sets are related to each-other gets increased.



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