Re: The job of a relational DBMS
From: Thomas Kellerer <OTPXDAJCSJVU_at_spammotel.com>
Date: Tue, 01 Dec 2009 23:44:58 +0100
Message-ID: <7nlkj9F3muvipU1_at_mid.individual.net>
Gene Wirchenko wrote on 01.12.2009 05:35:
> For example, a group by in SQL forces the result to be sorted by
> the grouping unless otherwise overridden.
Date: Tue, 01 Dec 2009 23:44:58 +0100
Message-ID: <7nlkj9F3muvipU1_at_mid.individual.net>
Gene Wirchenko wrote on 01.12.2009 05:35:
> For example, a group by in SQL forces the result to be sorted by
> the grouping unless otherwise overridden.
Never has been true. Group by does *not* sort the result. Not even in Oracle 8 and and certainly not for any Oracle version > 9 (and not for any Postgres as well)
Thomas Received on Tue Dec 01 2009 - 16:44:58 CST