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  1. What is the meaning of “EMPTY SET” in the following query?
    SELECT First_name, Last_name, Emp_id
    FROM Employee
    WHERE Last_name=’Gupta’;
    /* after Execution*/ Mysql tool RETURN EMPTY SET 0:00sec
    1. Error
    2. Access denied
    3. No values
    4. All of above
    5. None of these
Correct Option: C

“EMPTY SET” means there were no values stored in the structure that belongs to lname.


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