am Sat, dem 04.12.2004, um 12:38:11 - mailte Andrew - Supernews folgendes:
Thank you for the very good explanation.
> Notice I haven't used either IN or UNION. Using IN in place of a join is
> unwise (even though recent versions can sometimes plan it as though it were
> a join); using UNION
[if replying, please do so to the list / newsgroup only, not to me]
On 2004-12-03, "Keith Worthington" <[EMAIL PROTECTED]> wrote:
> Hi All,
>
> I am trying to join three tables and sum the quantities.
>
> The first table contains all of the possible items. The second table
> contains orders and t