Which of the following anomalies can occur in a poorly normalized database?
Options
- A. Insertion anomaly
- B. Deletion anomaly
- C. Update anomaly
- D. More than one of the above
- E. None of the above
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Quiz Practice:
Correct Answer (Detailed Explanation is Below)
D. More than one of the above
Detailed Explanation
- Insertion anomaly: Difficulty inserting data without unrelated information.
- Deletion anomaly: Deleting one record may unintentionally remove other useful information.
- Update anomaly: The same information may need to be updated in multiple places.
- Normalization helps reduce all these anomalies.