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Many students who study using our platform have reported that a large number of the practice questions here are very similar to those that appear in real exams. View Courses
Many students who study using our platform have reported that a large number of the practice questions here are very similar to those that appear in real exams. View Courses
What does the term "data redundancy" refer to in the context of database design?
The Correct Answer is: A. The unnecessary duplication of data
Data redundancy in database design refers to the situation where the same piece of data is stored in multiple places unnecessarily. This duplication can lead to inconsistencies, increased storage requirements, and difficulties in maintaining and updating the database. Good database design aims to minimize redundancy through normalization and other techniques to ensure data integrity and efficient storage.
Why the other options are incorrect:
B. The backup of critical data
Backup involves creating copies of data to protect against loss, which is intentional and necessary, not redundant.
C. The optimization of data storage
Optimization aims to make data storage efficient, which is the opposite of redundancy.
D. The encryption of sensitive data
Encryption protects data privacy and security, which is unrelated to the concept of redundancy.
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