From oracle-l-bounce@freelists.org Mon Aug 8 10:26:51 2005 Return-Path: Received: from air891.startdedicated.com (root@localhost) by orafaq.com (8.12.10/8.12.10) with ESMTP id j78FQpqj015889 for ; Mon, 8 Aug 2005 10:26:51 -0500 X-ClientAddr: 206.53.239.180 Received: from turing.freelists.org (freelists-180.iquest.net [206.53.239.180]) by air891.startdedicated.com (8.12.10/8.12.10) with ESMTP id j78FQmIP015876 for ; Mon, 8 Aug 2005 10:26:48 -0500 Received: from localhost (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id 844361DD200; Mon, 8 Aug 2005 10:26:45 -0500 (EST) Received: from turing.freelists.org ([127.0.0.1]) by localhost (turing [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 32155-04; Mon, 8 Aug 2005 10:26:45 -0500 (EST) Received: from turing (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id B0D1F1DD1D4; Mon, 8 Aug 2005 10:26:44 -0500 (EST) In-Reply-To: To: jim_kennedy@mentor.com Cc: "Niall Litchfield" , oracle-l@freelists.org, oracle-l-bounce@freelists.org, psinger1@chartermi.net Subject: RE: Counterquestion - is Oracle a He or a She - or an It or a hermaphrodite MIME-Version: 1.0 Message-ID: From: "Leandro Guimaraes Faria C. Dutra" Date: Mon, 8 Aug 2005 12:20:47 -0300 X-MIMETrack: Serialize by Router on TDBKDD08/TDB(Release 6.5.1|January 21, 2004) at 08/08/2005 12:17:04 PM, Serialize complete at 08/08/2005 12:17:04 PM Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by Ecartis X-archive-position: 23557 X-ecartis-version: Ecartis v1.0.0 Sender: oracle-l-bounce@freelists.org Errors-To: oracle-l-bounce@freelists.org X-original-sender: ldutra@toyota.com.br Precedence: normal Reply-To: ldutra@toyota.com.br X-list: oracle-l X-Virus-Scanned: by amavisd-new-20030616-p9 (Debian) at avenirtech.net X-mailscan-MailScanner-Information: Please contact the ISP for more information X-mailscan-MailScanner: Found to be clean X-MailScanner-From: oracle-l-bounce@freelists.org X-Spam-Level: X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on air891.startdedicated.com X-Spam-Status: No, hits=-4.9 required=5.0 tests=AWL,BAYES_00 autolearn=ham version=2.63 oracle-l-bounce@freelists.org gravou em 2005-08-08 12:20:02: > So your DB is context-dependent. NULLs attack. NULLs are ambiguous, their interpretation depend on context. If SQL allowed us to define special values, we'd have a better solution, as currently exist in Tutorial D (only implemented in a toy DBMS, Rel) and D4 (Alphora Dataphor). -- Leandro Guimarães Faria Corcete DUTRA Administrador de Bases de Dados +55 (11) 4390 5383 Toyota do Brasil Ltda ldutra@toyota.com.br São Bernardo do Campo, SP BRASIL This message (including any attachments) is confidential and may be privileged and intended solely for the use of the person/entity to whom it is addressed. If you have received it by mistake please notify the sender by returning via e-mail as well as delete this message from your system. Any unauthorized use or dissemination of this message in whole or in part is prohibited. Please note that e-mails are susceptible to change. TOYOTA DO BRASIL LTDA (including its group companies) shall not be liable for the improper or incomplete transmission of the information contained in this communication, neither for personal, nonbusiness related information nor opinion sent through this email or even for any delay in its receipt or damage to your system. TOYOTA DO BRASIL LTDA (or its group companies) does not guarantee that the integrity of this communication has been kept nor that this communication is free of viruses, interceptions or interference. -- http://www.freelists.org/webpage/oracle-l