Question: What is the primary function of an Entity - Relationship ( E - R ) diagram? A . To show the physical structure of a

What is the primary function of an Entity-Relationship (E-R) diagram?
A.
To show the physical structure of a database.
B.
To describe the interactions between different entities in a database.
C.
To represent the flow of data through a system.
D.
To define the types of relationships between entities.

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