Beginner
SQL
Q12 / 100
How do you check if a column value is NULL in a WHERE clause?
Correct! Well done.
Incorrect.
The correct answer is B) WHERE column IS NULL
B
Correct Answer
WHERE column IS NULL
Explanation
NULL cannot be compared with "=" because NULL is not a value; "IS NULL" (or "IS NOT NULL") is the correct way to test for it.
Progress
12/100