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Specialization MCQ (Multiple Choice Questions) PDF Download
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The Specialization Multiple Choice Questions (MCQ Quiz) with Answers PDF (Specialization MCQ PDF e-Book) download to practice Database Systems Tests. Learn Database Design and ER Model Multiple Choice Questions and Answers (MCQs), Specialization quiz answers PDF to learn computer science courses. The Specialization MCQ App Download: Free learning app for constraints in dbms, entity relationship diagrams, specialization test prep for computer and information science.
The MCQ: 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; "Specialization" App Download (Free) with answers: Completeness constraint; Disjointness constraint; Overlapping constraint; Existence constraint; to learn computer science courses. Practice Specialization Quiz Questions, download Google e-Book (Free Sample) for bachelor's degree in computer science.
Specialization MCQs PDF: Questions Answers Download
In an E-R diagram, specialization is represented by a
- Hollow arrow-head
- Solid arrow-head
- Dashed arrow-head
- Double arrow-head
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
- Completeness constraint
- Disjointness constraint
- Overlapping constraint
- Existence constraint
The relationship of specialization may also be known as a/an
- Subclass-superclass relationship
- Superclass-subclass relationship
- Higher-level relationship
- Lower-level relationship
A property of entity sets created by specialization and generalization is known as
- Entity inheritance
- Sets inheritance
- Relational inheritance
- Attribute inheritance
Specialization emphasizes on differences by creating distinctions among
- Entity sets
- Attribute sets
- Instances
- Relations
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