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Multiplicity is the same as what concept for an ERD?

  • A.Relationship
  • B.Attribute
  • C.Entity
  • D.Cardinality

Answer: D

Correct answer: Cardinality

Multiplicity in UML states how many instances of one class may be associated with an instance of another, which is exactly what cardinality expresses on an entity-relationship diagram. The notation differs - 0..1, 1..*, 3..5 against the crow’s foot - but the concept is the same.

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