Data Model Evolution
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Questions and Answers

Which data model organizes data into a tree-like structure with a top-down relationship?

  • Network Model
  • Hierarchical Model (correct)
  • Relational Model
  • Object Oriented Model
  • Which data model allows records to have multiple parent and child records, creating a more flexible structure?

  • Relational Model
  • Network Model (correct)
  • Object Oriented Model
  • Hierarchical Model
  • Which data model represents data as tables with rows and columns, and uses keys to establish relationships between tables?

  • Network Model
  • NoSQL
  • Hierarchical Model
  • Relational Model (correct)
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