The Atomic Data Models and Business Models MCQ

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• Which of the following is not one of the three ways to classify an action assertion?
  ক

  Condition

  খ

  Integrity Control

  গ

  Authorization

  ঘ

  Enabler
• Use of a supertype/subtype relationship is necessary when which of the following exists?
  ক

  An instance of a subtype participates in a relationship that is unique to that subtype

  খ

  An instance of a subtype participates in a relationship that is the same as the other subtypes

  গ

  Attributes apply to all of the instances of an entity type

  ঘ

  No attributes apply to any of the instances of an entity type
• A supertype/subtype hierarchy is which of the following?
  ক

  Each subtype has only one attribute

  খ

  Each supertype has only one attribute

  গ

  Each subtype has only one supertype

  ঘ

  Each supertype has only one subtype