Specialization MCQs & Quiz Online PDF Book Download

Specialization MCQs, specialization quiz answers to learn online data analytics courses. Database design and er model multiple choice questions (MCQs), specialization quiz questions and answers for online data science masters programs. Uml diagram, database system development, generalization, dbms design process, constraints in dbms, specialization test prep for data science certification.

Learn database design and er model test MCQs: in an e-r diagram, specialization is represented by a, with choices hollow arrow-head, solid arrow-head, dashed arrow-head, and double arrow-head for online data science masters programs. Practice assessment test for scholarships, online learning specialization quiz questions for competitive assessment in computer science major for data science certification.

MCQ on Specialization Quiz Book Download

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

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


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

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