Which technique is commonly used to reduce unnecessary data duplication in relational databases?
Options
- A. Normalization
- B. Data replication
- C. Data encryption
- D. More than one of the above
- E. None of the above
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Quiz Practice:
Correct Answer (Detailed Explanation is Below)
A. Normalization
Detailed Explanation
- Normalization: Organizes database tables to reduce unnecessary redundancy.
- It separates related information into properly structured relations.
- It helps prevent insertion, deletion and update anomalies.