A few of approaches to solve this problem:
http://sql-ex.com/help/select16.php
01.06.2012, 18:34, "Relyea, Mike" :
> I need a little help putting together a query. I have the tables listed
> below and I need to return the lowest two consumables (ranked by cost
> divided by yield) per printer, pe
Nice resource, msi77.
Thanx for sharing.
I wasn't aware of none of these techniques, actually, so I tried to start
from scratch, but I should've realized that many people in the past had the
same problem as Mike and I should have googled a little instead of trying
to re-invent the wheel.
Anyway,
Thank you for reply, Oliver.
I want that you'll pay attention to the learn exercises which can by made under
PostgreSQL among few other DBMS:
http://sql-ex.ru/exercises/index.php?act=learn
02.06.2012, 19:00, "Oliveiros" :
> Nice resource, msi77.
>
> Thanx for sharing.
>
> I wasn't aware of none
