Relational Database Design Quiz
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Relational Database Design Quiz

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@StrikingVision

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Questions and Answers

What is the main problem with the given schema student(StudentNo, StudentName, Degree, GPA, CourseNo, CourseName, Credits)?

  • Lack of primary key
  • Violation of referential integrity
  • Inconsistency in attribute naming
  • Redundancy of student and course information (correct)

    • What concept does the database design process involve when selecting an appropriate schema?

  • Data normalization
  • Data redundancy
  • Data dependency (correct)
  • Data aggregation

    • What type of dependency is used to obtain semantic information from the application?

  • Transitive dependency
  • Partial dependency
  • Multivalued dependency (correct)
  • Composite dependency

    • In database design, what does the concept of decomposition refer to?

    <p>Breaking down a relation into smaller, more meaningful relations</p> Signup and view all the answers

    What does the database normalization theory primarily aim to achieve?

    <p>Minimize data redundancy and dependency anomalies</p> Signup and view all the answers

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