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Consider the following Relationship Entity Diagram(ERD)

Which of the following possible relations will not hold if the above ERD is mapped into a relation model?
(A) Person (NID, Name)
(B) Qualification (NID, ExamID, QualifiedDate)
(C) Exam (ExamID, NID, ExamName)
(D) Exam (ExamID, ExamName)

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Consider the following Relationship Entity Diagram(ERD)

Which of the following possible relations will not hold if the above ERD is mapped into a relation model?
(A) Person (NID, Name)
(B) Qualification (NID, ExamID, QualifiedDate)
(C) Exam (ExamID, NID, ExamName)
(D) Exam (ExamID, ExamName)

› Reply To:

Consider the following Relationship Entity Diagram(ERD)

Which of the following possible relations will not hold if the above ERD is mapped into a relation model?
(A) Person (NID, Name)
(B) Qualification (NID, ExamID, QualifiedDate)
(C) Exam (ExamID, NID, ExamName)
(D) Exam (ExamID, ExamName)