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    Question

    Which of the following SQL queries would return the

    total number of employees in each department, but only for departments with more than 10 employees?
    A 'SELECT department_id, COUNT(*) FROM employees GROUP BY department_id HAVING COUNT(*) > 10;' Correct Answer Incorrect Answer
    B 'SELECT department_id, COUNT(*) FROM employees WHERE COUNT(*) > 10 GROUP BY department_id;' Correct Answer Incorrect Answer
    C 'SELECT department_id, COUNT(*) FROM employees GROUP BY department_id ORDER BY COUNT(*) > 10;' Correct Answer Incorrect Answer
    D 'SELECT department_id, COUNT(*) FROM employees HAVING COUNT(*) > 10;' Correct Answer Incorrect Answer
    E 'SELECT department_id, COUNT(*) FROM employees WHERE department_id IN (SELECT department_id FROM employees GROUP BY department_id HAVING COUNT(*) > 10);' Correct Answer Incorrect Answer

    Solution

    'SELECT department_id, COUNT(*) FROM employees GROUP BY department_id HAVING COUNT(*) > 10;'

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