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Какое наиболее подходящее решение для выборки имен сотрудников, чья зарплата выше средней зарплаты их собственного отдела?
Anonymous Quiz
Использовать GROUP BY department_id и HAVING salary > AVG(salary).
Применить функцию AVG(salary) OVER (PARTITION BY department_id) в предложении WHERE.
Использовать коррелированный подзапрос в предложении WHERE.
Использовать JOIN с таблицей, содержащей агрегированные средние значения.
Использовать подзапрос с MAX(salary).
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