ERM Types Constraints MCQs Quiz Online PDF Download

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Database management system test MCQ on considering binary relationships, possible cardinality ratios are with options one one, 1 n, m n and all of above problem solving skills for viva, competitive exam prep, interview questions with answer key. 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 binary relationships, possible cardinality ratios are

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

D

MCQ. Types of partial constraints are

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

A

MCQ. Relationship type in which one attribute is migrated to 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, participation constraints and cardinality ratio are considered together to make

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

D

MCQ. Constraint which specifies minimum number of relationship instances is classified as

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

A