Data Modelling Techniques
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Questions and Answers

Which data modelling technique organizes data into a tree-like structure with parent-child relationships?

  • Entity-relationship model
  • Network model
  • Hierarchical database model (correct)
  • Relational model

    • Which data modelling technique is known for its fast and efficient data retrieval?

  • Star schema
  • Entity-attribute-value model
  • Object-oriented database model
  • Hierarchical database model (correct)

    • Which data modelling technique is difficult to maintain and update?

  • Entity-relationship model
  • Relational model
  • Document model
  • Hierarchical database model (correct)

    • Which data modelling technique has limited support for data manipulation?

    <p>Hierarchical database model</p> Signup and view all the answers

    Which data modelling technique has limited interoperability?

    <p>Hierarchical database model</p> Signup and view all the answers

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