Received: from vpcit.ru (dialup.vpcit.ru [195.38.52.246]) by mail.postgresql.org (8.11.1/8.11.1) with SMTP id eBRH3NL30426 for ; Wed, 27 Dec 2000 12:03:23 -0500 (EST) (envelope-from yura@vpcit.ru) Received: (qmail 26803 invoked from network); 27 Dec 2000 17:02:47 -0000 Received: from nt2.vpcit.ru (195.38.52.235) by dialup.vpcit.ru with SMTP; 27 Dec 2000 17:02:47 -0000 Date: Wed, 27 Dec 2000 22:01:07 +0500 From: Yury Don X-Mailer: The Bat! (v1.47 Halloween Edition) Reply-To: Yury Don X-Priority: 3 (Normal) Message-ID: <1593069435.20001227220107@vpcit.ru> To: pgsql-sql@postgresql.org Subject: Re: Query Help In-reply-To: <5.0.2.1.2.20001227111807.074dd2d0@pop.mindspring.com> References: <5.0.2.1.2.20001227111807.074dd2d0@pop.mindspring.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Archive-Number: 200012/273 X-Sequence-Number: 610 Hello Brian, Wednesday, December 27, 2000, 9:20:53 PM, you wrote: BCD> What do I have to do a query where information in table1 is not in table2 BCD> I am looking for something like BCD> Select table1.firstname where table1.firstname is not in table2.firstname BCD> and table2.date='yesterday' BCD> I tried BCD> Select table1.firstname where table1.firstname != table2.firstname and BCD> table2.date='yesterday' BCD> and that did not work just listed everyone.... If I understand correctly Select table1.firstname from table1 where not exists (select table2.firstname from table2 where table1.firstname = table2.firstname and table2.date='yesterday') -- Best regards, Yury mailto:yura@vpcit.ru