Обсуждение: Re: SQL query question

Поиск
Список
Период
Сортировка

Re: SQL query question

От
Rodrigo De León
Дата:
On Sep 21, 12:09 am, stevenleong...@gmail.com wrote:
> Write the query (or queries if necessary) needed to count the number
> of employees in each employee's department who are paid more than
> their manager.

SELECT   e.dept, COALESCE (SUM (1), 0) AS n   FROM employees e JOIN employees m        ON (e.empid = m.mgrid AND
e.salary> m.salary)
 
GROUP BY e.dept
ORDER BY e.dept