Relational Model Quiz
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Questions and Answers

Which of the following best describes an entity in a database?

  • Something of importance to the user that needs to be represented (correct)
  • A two-dimensional table consisting of rows and columns
  • Data that pertain to some entity or a portion of some entity
  • Data that represent an attribute of the entity

    • What is a relation in a database?

  • Something of importance to the user that needs to be represented
  • Data that pertain to some entity or a portion of some entity
  • Data that represent an attribute of the entity
  • A two-dimensional table consisting of rows and columns (correct)

    • What does each row of a table in a database hold?

  • Something of importance to the user that needs to be represented
  • A single value
  • Data that represent an attribute of the entity
  • Data that pertain to some entity or a portion of some entity (correct)

    • What does each column of a table in a database contain?

    <p>Data that represent an attribute of the entity</p> Signup and view all the answers

    What is a characteristic of the cells in a table in a database?

    <p>They can hold a single value</p> Signup and view all the answers

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