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  1. What will be the result of the following query?
    WHERE end_date IS NULL 
    AND NOT (title=’teller’ OR start_date < ‘2009-05-05’)
    1. The result set contains employees who both are tellers and started working for the bank in 2009 or later
    2. The result set contains employees who are only tellers
    3. The result set contains non terminated employees who both are non tellers and started working for the bank from 2009 or later
    4. All of above
    5. None of these
Correct Option: C

The result set contains non terminated employees who both are non tellers and started working for the bank from 2009 or later



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