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Database Logical Design and Relational Data Model
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Database Logical Design and Relational Data Model

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Questions and Answers

What is the process of transforming the conceptual data model into a logical data model?

  • Data manipulation
  • Logical database design (correct)
  • Data integrity
  • Relational data modeling

    • In which year was the relational data model first introduced?

  • 1970 (correct)
  • 1980
  • 1990
  • 1960

    • What does the relational data model represent data in the form of?

  • Graphs
  • Tables (correct)
  • Trees
  • Matrices

    • What are the three components of the relational data model?

    <p>Data structure, Data manipulation, Data integrity</p> Signup and view all the answers

    Which language or processing programs are used to manipulate data stored in the relations in the relational data model?

    <p>SQL language</p> Signup and view all the answers

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