The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows.

Option A: True - In SQL, the DISTINCT keyword is used in a SELECT statement to eliminate duplicate rows from the result set. When you use DISTINCT, it ensures that only unique rows are returned, thereby eliminating duplicates based on the specified columns in the query.

Conclusion:
The statement "The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows" is Option A: True. Therefore, the correct answer is True.