P

Priyanka Tomar • 35.28K Points
Coach

Q. Consider a database name "db_name" whose attributes are intern_id (primary key), subject.
Intern_id= {1, 2, 3, 4, 5, 6}
Subject= {sql, oop, sql, oop, c, c++}
If these are one to one relation then what will be the output of the following MySQL statement?
SELECT intern_id
FROM db_name
WHERE subject NOT IN (c, c++);

  • (A) {5, 6}
  • (B) {1, 2, 3}
  • (C) {3, 4}
  • (D) None of the mentioned
  • Correct Answer - Option(D)
  • Views: 52
  • Filed under category MySQL
Explanation by: Priyanka Tomar
This question is about understanding how to use the NOT IN clause in MySQL and how it works with a one-to-one relationship. Let's break it down step by step:

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