First normal form requires that a database excludes:

Denormalization is performed in order to:

This question requires that you evaluate the underlined text to determine if it is correct. You combine data from three tables into one table. The new table includes redundancy to optimize read performance. The data in the new table has been denormalized.
Instructions: Review the underlined text. If it makes the statement correct, select “No change is needed.” If the statement is incorrect, select the answer choice that makes the statement correct.