Specialization Multiple Choice Questions with Answers – PDF Download

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