A

Admin • 833K Points
Coach

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 - Option(A)
  • Views: 28
  • Filed under category MySQL
  • Hashtags:

Explanation by: Admin

This question asks about how MySQL handles finding rows where a specific column has a NULL value. Let's break it down:

You must be Logged in to update hint/solution

Discusssion

Login to discuss.

Be the first to start discuss.