Extended ER Features MCQs Quiz Online PDF Book Download

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Learn database design and er model test MCQs: database user assigns entities to a given entity set, in type of generalization's constraints, with choices data-defined, user-defined, system-defined, and condition-defined for information technology masters degree online. Practice merit scholarships assessment test, online learning extended er features quiz questions for competitive assessment in computer science major for big data certification.

MCQ on Extended ER Features Quiz Book 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