Database Systems MCQs – Practice Test 1 (Chapter 4)
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MCQ 1: In an E-R diagram, specialization is represented by a:
MCQ 2: The relationship between the weak entity set and the identifying entity set's association is known as:
MCQ 3: Mapping cardinalities are useful in describing:
MCQ 4: A weak entity set can make participation in any relationship other than the:
MCQ 5: The mapping cardinalities can be of type:
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