ERM Types Constraints MCQs Quiz Online PDF Download

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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


MCQ. Types of partial constraints are

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


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


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


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