What is the benefit of "de-normalization"?

What is the benefit of "de-normalization"? 




a. "de-normalization" has no benefit
b. The main benefit of de-normalization is improved performance with simplified data retrieval (this is done by reduction in the number of joins needed for data processing)
c. The main benefit of de-normalization is eliminating redundant information from a table and organizing the data so that future changes to the table are easier




Answer: B


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