Database Concepts Quiz
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Questions and Answers

What is the primary advantage of using the database approach according to the text?

  • Controlling redundancy in data storage and development efforts (correct)
  • Providing persistent storage for program objects
  • Providing multiple interfaces to different classes of users
  • Enforcing integrity constraints on the database

    • Which of the following is NOT mentioned as a fundamental consideration when building a database?

  • Access: What data should be provided to which users and when?
  • Content: What data should be collected and at what cost?
  • Optimization: How can the database be optimized for maximum performance? (correct)
  • Logical structure: How should data be arranged so that it makes sense to a given user?

    • Which of the following is NOT listed as an advantage of the database approach?

  • Providing backup and recovery services
  • Enforcing integrity constraints on the database
  • Providing a centralized data management system (correct)
  • Representing complex relationships among data

    • What is the purpose of the 'physical organization' consideration when building a database?

    <p>Specifying where data should be physically located</p> Signup and view all the answers

    Which of the following is NOT listed as a fundamental entity in the 'example of a simple database' shown in the text?

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

    What is the primary purpose of 'providing storage structures (e.g. indexes) for efficient query processing' according to the text?

    <p>To enable efficient retrieval of data from the database</p> Signup and view all the answers

    What is the primary role of a database administrator (DBA)?

    <p>To direct all activities related to an organization's database</p> Signup and view all the answers

    What is the advantage of using a database approach compared to traditional data management?

    <p>A pool of related data is shared by multiple application programs</p> Signup and view all the answers

    Which term refers to a field or set of fields that uniquely identifies a record in a database?

    <p>Primary key</p> Signup and view all the answers

    What is the purpose of a database management system (DBMS)?

    <p>To provide an interface between the database and its users/applications</p> Signup and view all the answers

    Which term refers to a general class of people, places, or things for which data is collected and stored in a database?

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

    What is a key advantage of using a multiple-user database system compared to a single-user database?

    <p>Allows dozens or hundreds of people to access the same database simultaneously</p> Signup and view all the answers

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