Islamic Faith and Principles Quiz
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Questions and Answers

What is the primary key in a relational database?

  • A column that can be duplicated
  • A column that stores general categories
  • A column that organizes data into two-dimensional tables
  • A column designated to uniquely identify all table records (correct)

    • What does an entity represent in a database?

  • A table for each entity
  • A collection of related files
  • A specific characteristic of each entity
  • A generalized category representing person, place, or thing (correct)

    • How are data organized in relational databases?

  • Into separate files for each entity
  • Into one-dimensional tables with columns only
  • Into two-dimensional tables with columns and rows (correct)
  • Into hierarchical structures

    • What is the purpose of an entity-relationship diagram in a relational database?

    <p>To clarify table relationships</p> Signup and view all the answers

    What does a one-to-many relationship in a relational database mean?

    <p>A row in table A can have many matching rows in table B</p> Signup and view all the answers

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