Relational Database Model Quiz
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Questions and Answers

Which model describes the logical structure of a database?

  • Object-oriented model
  • Relational model (correct)
  • Hierarchical model
  • Network model

    • What are the basic components of the relational model?

  • Tables and columns (correct)
  • Tables and indexes
  • Tables and rows
  • Tables and keys

    • How is data redundancy handled in the relational database model?

  • By using foreign keys to reference duplicate data
  • By duplicating data in multiple tables (correct)
  • By using indexes to store duplicate data
  • By removing all duplicate data

    • What is the purpose of indexing in a relational database?

    <p>To optimize data retrieval</p> Signup and view all the answers

    What is the purpose of the data dictionary and system catalog in the relational database model?

    <p>To define the structure of the database</p> Signup and view all the answers

    True or false: The relational database model's logical structure is described in Chapter 3?

    <p>True</p> Signup and view all the answers

    True or false: The relational model's basic components include entities and relationships?

    <p>True</p> Signup and view all the answers

    True or false: Relational database operators are used to manipulate relational table contents?

    <p>True</p> Signup and view all the answers

    True or false: Data redundancy is handled efficiently in the relational database model?

    <p>True</p> Signup and view all the answers

    True or false: The purpose of indexing in a relational database is to improve data retrieval performance?

    <p>True</p> Signup and view all the answers

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