TG: sql_for_qa/823

SQL для тестировщика

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).

246 answered

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