Changes

J.Y.S

298 bytes added, 22:51, 19 October 2010

→‎8.

''Saad''

<pre>

SELECT department_id, department_name, SUBSTR(NVL(city,'Not Assigned Yet'),1,25) City,

COUNT(DISTINCT job_id) "# of Jobs"

FROM locations l RIGHT OUTER JOIN departments d

USING (location_id)

LEFT OUTER JOIN employees e

USING (department_id)

GROUP BY department_id, department_name, city

/

</pre>

''James''

<pre>

</pre>

1

edit