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Questions and Answers
What is the main problem with the given schema student(StudentNo, StudentName, Degree, GPA, CourseNo, CourseName, Credits)?
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?
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?
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?
In database design, what does the concept of decomposition refer to?
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What does the database normalization theory primarily aim to achieve?
What does the database normalization theory primarily aim to achieve?
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