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Specialization MCQs PDF Download – Prep Test

MCQ 1: In an E-R diagram, specialization is represented by a:

  1. Hollow arrow-head
  2. Solid arrow-head
  3. Dashed arrow-head
  4. Double arrow-head

MCQ 2: Specifying whether or not an entity in the superclass set must belong to at least one of subclass sets within specialization, by the constraint type:

  1. Completeness constraint
  2. Disjointness constraint
  3. Overlapping constraint
  4. Existence constraint

MCQ 3: The relationship of specialization may also be known as a/an:

  1. Subclass-superclass relationship
  2. Superclass-subclass relationship
  3. Higher-level relationship
  4. Lower-level relationship

MCQ 4: A property of entity sets created by specialization and generalization is known as:

  1. Entity inheritance
  2. Sets inheritance
  3. Relational inheritance
  4. Attribute inheritance

MCQ 5: Specialization emphasizes on differences by creating distinctions among:

  1. Entity sets
  2. Attribute sets
  3. Instances
  4. Relations

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