Specialization MCQs Test Online PDF Download

Specialization multiple choice questions (MCQs), specialization test prep to learn online IT degree courses. Learn database design and er model multiple choice questions (MCQs), specialization quiz questions and answers. Career test prep on constraints in dbms, entity relationship diagrams, specialization aptitude test for online OLAP courses distance learning.

Practice database design and er model aptitude test MCQs: specifying whether or not an entity in superclass set must belong to at least one of subclass sets within specialization, by constraint type, for free online computer science courses with options completeness constraint, disjointness constraint, overlapping constraint, existence constraint for online management information systems degree. Free skills assessment test is for online learning specialization quiz questions with MCQs, exam preparation questions and answers.

MCQ 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