Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.
SELECT * FROM EMPLOYEE WHERE DeptId = 'D01' OR DeptId = 'D02';
SELECT * FROM EMPLOYEE WHERE DeptId NOT IN ('D01', 'D02');
SELECT * FROM EMPLOYEE WHERE DeptId != 'D01' AND DeptId != 'D02';
SELECT * FROM EMPLOYEE WHERE DeptId IN ('D01', 'D02');
Video Explanation
Watch Video Solution
Login to get access
Continue with nearby questions to strengthen the same chapter concept while you still have the context fresh in mind.