DBMS Chapter 2
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DBMS Chapter 2

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Questions and Answers

What is a disadvantage of file processing?

  • Centralized data management
  • Lengthy development times (correct)
  • Standardized file formats
  • Improved data integrity

    • What is a problem with data dependency?

  • Improved data integrity
  • Lack of coordination and central control (correct)
  • Reduced maintenance headaches
  • Standardized file formats

    • What is a consequence of data redundancy?

  • Improved data integrity
  • Centralized data management
  • Better data sharing
  • Waste of space and maintenance headaches (correct)

    • What is a key feature of the database approach?

    <p>Central repository of shared data</p> Signup and view all the answers

    What is the primary function of a Database Management System (DBMS)?

    <p>To manage and provide controlled access to a database</p> Signup and view all the answers

    What is a benefit of the database approach?

    <p>Data independence</p> Signup and view all the answers

    What is the role of a database application program?

    <p>To interact with the database by issuing requests</p> Signup and view all the answers

    What is the analogy between a DBMS and an operating system?

    <p>DBMS manages data resources like an OS manages hardware resources</p> Signup and view all the answers

    What is a consequence of data inconsistency?

    <p>Compromised data integrity</p> Signup and view all the answers

    What is a characteristic of a DBMS?

    <p>Controlled access to users of a database</p> Signup and view all the answers

    Which of the following is a typical function of a DBMS?

    <p>Data modeling</p> Signup and view all the answers

    What is one of the major components of the DBMS environment?

    <p>User interface</p> Signup and view all the answers

    Which data type is commonly managed by a DBMS?

    <p>Text data</p> Signup and view all the answers

    What does DBMS stand for?

    <p>Database Management System</p> Signup and view all the answers

    Which of the following is NOT a typical function of a DBMS?

    <p>Graphic design</p> Signup and view all the answers

    Which of the following is primarily responsible for the design, implementation, and maintenance of a database?

    <p>Database Administrator</p> Signup and view all the answers

    Which data type would be most appropriate for storing textual data in a DBMS?

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

    What component of a DBMS is responsible for managing the physical database structure?

    <p>Database Engine</p> Signup and view all the answers

    Which of these is a primary advantage of using a DBMS?

    <p>Data Integrity</p> Signup and view all the answers

    Which historical development significantly impacted the evolution of DBMSs?

    <p>Relational Model</p> Signup and view all the answers

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