Re: Help with simple SQL query?

On Wed, 2005-10-05 at 14:21 +0200, Frank van Vugt wrote:
> Hi Joost,
>
> Try joining and comparing the order table with/to an aggregated orderline
> table, something like this:
>
> select order_id, order_price, sum_price, order_price - sum_price as diff
> from order, (select parent_order_id, sum(orderline_price) as sum_price
> from orderline group by parent_order_id) as foo
> where order_id = parent_order_id
> and order_price != sum_price
>
>
> This should prove to be as efficient as it gets ;)
How nice. An answer between the questions. And a working anser!. Which
manual did I miss ;-)

Thanks.

--
Groeten,

Joost Kraaijeveld
Askesis B.V.
Molukkenstraat 14
6524NB Nijmegen
tel: 024-3888063 / 06-51855277
fax: 024-3608416
e-mail: J(dot)Kraaijeveld(at)Askesis(dot)nl
web: www.askesis.nl