Beginner
Database Management Systems
Q23 / 100
What does DISTINCT do in SQL?
Correct! Well done.
Incorrect.
The correct answer is B) Returns only unique values, removing duplicate rows from the result set
B
Correct Answer
Returns only unique values, removing duplicate rows from the result set
Explanation
SELECT DISTINCT city FROM customers returns each city name only once. Without DISTINCT, duplicates appear for each row with that city.
Progress
23/100