Extended ER Features MCQs Test Online PDF Download

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MCQ on Extended ER Features Quiz PDF Download

MCQ: Database user assigns entities to a given entity set, in type of generalization's constraints

  1. Data-defined
  2. User-defined
  3. System-defined
  4. Condition-defined

B

MCQ: By default, generalization type applied is

  1. Dependent specialization
  2. Partial specialization
  3. Complete specialization
  4. Total specialization

B

MCQ: An abstraction through which relationships are treated as higher-level entities, is known as

  1. Aggregation
  2. Tabulation
  3. Simulation
  4. Patriotization

A

MCQ: In user-defined constraints on generalization, lower level entity sets can be of type

  1. 2 types
  2. 3 types
  3. 4 types
  4. 5 types

A

MCQ: Like attribute inheritance, inheritance that applies through all tiers of lower-level entity sets, is known to be

  1. Participation inheritance
  2. Execution inheritance
  3. Existence inheritance
  4. Dependency inheritance

A