ERM Types Constraints MCQs Quiz Online PDF Download

Practice erm types constraints MCQs, DBMS MCQ test for online learning. Data modeling entity relationship model quiz has multiple choice questions (MCQ), erm types constraints quiz questions and answers to practice as considering binary relationships, possible cardinality ratios are, answer key help with choices as one one, 1 n, m n and all of above problem solving for viva, competitive exam preparation, interview questions. Free study guide is for online learning erm types constraints quiz with MCQs to practice test questions with answers.

MCQs on ERM Types Constraints Quiz PDF Download

MCQ. Considering the binary relationships, the possible cardinality ratios are

  1. one : one
  2. 1 : N
  3. M : N
  4. all of above

D

MCQ. The types of partial constraints are

  1. total and partial
  2. intensive and extensive
  3. minimum and maximum
  4. floating and string

A

MCQ. The relationship type in which one attribute is migrated to the N-side of relationship is classified as

  1. 4:N
  2. 3:N
  3. 1:N
  4. 2:N

C

MCQ. For a relationship type, the participation constraints and cardinality ratio are considered together to make

  1. intensive constraints
  2. recursive constraints
  3. composite constraints
  4. structural constraints

D

MCQ. The constraint which specifies the minimum number of relationship instances is classified as

  1. participation constraint
  2. non-participation constraint
  3. extensive constraint
  4. intensive constraint

A