Q. What will be the output of the following MySQL command?
SELECT *
FROM person
WHERE emp_id IS NULL;
-
(A)
Only those columns whose emp_id is NULL
-
(B)
Only those columns whose emp_id is not NULL
-
(C)
No output
-
(D)
None of the mentioned
✅ Correct Answer: (B)
Only those columns whose emp_id is not NULL
Explanation: This question is about filtering data in a MySQL database.