Return-Path: Delivered-To: apmail-couchdb-user-archive@www.apache.org Received: (qmail 79607 invoked from network); 13 Jan 2009 16:16:34 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 13 Jan 2009 16:16:34 -0000 Received: (qmail 45457 invoked by uid 500); 13 Jan 2009 16:16:32 -0000 Delivered-To: apmail-couchdb-user-archive@couchdb.apache.org Received: (qmail 45424 invoked by uid 500); 13 Jan 2009 16:16:32 -0000 Mailing-List: contact user-help@couchdb.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@couchdb.apache.org Delivered-To: mailing list user@couchdb.apache.org Received: (qmail 45413 invoked by uid 99); 13 Jan 2009 16:16:32 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 13 Jan 2009 08:16:32 -0800 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of sven.helmberger@gmx.de designates 213.165.64.20 as permitted sender) Received: from [213.165.64.20] (HELO mail.gmx.net) (213.165.64.20) by apache.org (qpsmtpd/0.29) with SMTP; Tue, 13 Jan 2009 16:16:24 +0000 Received: (qmail invoked by alias); 13 Jan 2009 16:15:59 -0000 Received: from pd95b0fdb.dip0.t-ipconnect.de (EHLO [10.0.3.48]) [217.91.15.219] by mail.gmx.net (mp032) with SMTP; 13 Jan 2009 17:15:59 +0100 X-Authenticated: #1594082 X-Provags-ID: V01U2FsdGVkX19fGecPau5f0ZHIleCI33ShPPxPmoSF2FZQJE3uv0 RqoAKDHHz+fdW+ Message-ID: <496CBE3A.7000707@gmx.de> Date: Tue, 13 Jan 2009 17:15:54 +0100 From: Sven Helmberger User-Agent: Thunderbird 2.0.0.19 (X11/20090105) MIME-Version: 1.0 To: user@couchdb.apache.org Subject: Re: Can I guarantee uniqueness in a field without using _id? References: <518815b70901111530o23f6ce31yb40f974ea85467c0@mail.gmail.com> <25893274-A543-4F9A-9FE3-A8E93938051B@apache.org> <518815b70901121417ldf0d691l2838488fd5684697@mail.gmail.com> <518815b70901121505l2fd3fc21uab28dcdaf419103c@mail.gmail.com> <20090113011256.GN11136@translab.its.uci.edu> <6B1E25BD-C88A-4F24-8DFC-196B554514EC@gmail.com> <53b9568a0901121951y565657b3wec0cc2c15f48b507@mail.gmail.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 X-FuHaFi: 0.73 X-Virus-Checked: Checked by ClamAV on apache.org Samuel Flores schrieb: > I really don't understand the discussion. Documents are data too. If > "database" refer only to relational data then there's no need for the > 'R' in RDBMS. > From a logical point of view I totally agree. Unfortunately RDBMS have dominated for so long that they have become the default database technology in a lot of people's mind. Database == RDBMS Regards, Sven Helmberger