Specialization MCQs Quiz Online PDF Download

Learn specialization MCQs, database management system test for learning online courses and test prep to practice. Database design and er model quiz has multiple choice questions (MCQ), specialization quiz questions and answers, constraints in dbms, entity relationship diagrams, specialization tutorials for online OLAP courses distance learning.

Database management system practice test MCQ: 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 competitive exams, certifications tests for financial aids, scholarships contests in universities. Free study guide is for online learning specialization quiz with MCQs to practice test questions with answers.

MCQs on Specialization Quiz PDF 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

A

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

A

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

B

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

D

MCQ. Specialization emphasizes on differences by creating distinctions among

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

A