An entity relationship diagram:
A) is used in data modeling.
B) depicts data in terms of entities and relationships.
C) identifies the cardinality of a relationship.
D) makes clear the degree of a relationship.
E) all of these

Question

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An entity relationship diagram (ERD) is a tool used in data modeling that depicts data in terms of entities and relationships, identifies the cardinality of a relationship, and clarifies the degree of a relationship.

An Entity Relationship Diagram