Beginner
Database Management Systems
Q21 / 100
What is denormalization?
Correct! Well done.
Incorrect.
The correct answer is B) Intentionally introducing redundancy to improve read performance at the cost of data integrity and write overhead
B
Correct Answer
Intentionally introducing redundancy to improve read performance at the cost of data integrity and write overhead
Explanation
Denormalization (used in OLAP, data warehouses, and high-read systems) adds redundant columns or pre-joined tables to avoid expensive JOINs, trading storage/write overhead for faster reads.
Progress
21/100