10/01/2010, 18:36
Merhaba..
Bu sorguyu dener misiniz?
select cost, SID,PID
from catalog as trz
where cost>(select avg(cost) from catalog where PID=trz.PID)
Bu sorguyu dener misiniz?
select cost, SID,PID
from catalog as trz
where cost>(select avg(cost) from catalog where PID=trz.PID)