X-Original-To: pgsql-sql-postgresql.org@postgresql.org Received: from localhost (wm.hub.org [200.46.204.128]) by postgresql.org (Postfix) with ESMTP id 998A49FB22E for ; Thu, 31 Aug 2006 00:38:33 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.128]) (amavisd-new, port 10024) with ESMTP id 16708-04 for ; Thu, 31 Aug 2006 03:38:26 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey- Received: from floppy.pyrenet.fr (floppy.pyrenet.fr [194.116.145.2]) by postgresql.org (Postfix) with ESMTP id 93BA09F9F2F for ; Thu, 31 Aug 2006 00:38:25 -0300 (ADT) Received: by floppy.pyrenet.fr (Postfix, from userid 106) id DF2CC308E2; Thu, 31 Aug 2006 05:38:23 +0200 (MET DST) From: Christopher Browne X-Newsgroups: pgsql.sql Subject: Re: Create Assertion -- Question from a newbie Date: Wed, 30 Aug 2006 23:08:12 -0400 Organization: cbbrowne Computing Inc Lines: 15 Message-ID: <87sljd7gbn.fsf@wolfe.cbbrowne.com> References: <20060827135437.GA1869@wolff.to> <20060827143949.16261.qmail@web31812.mail.mud.yahoo.com> <20060828104603.GA2492@phlogiston.dyndns.org> <20060828142731.GF27526@alvh.no-ip.org> <87ejuy6jdq.fsf@stark.xeocode.com> <20060830220001.GB10385@phlogiston.dyndns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Complaints-To: usenet@news.hub.org X-message-flag: Outlook is rather hackable, isn't it? X-Home-Page: http://www.cbbrowne.com/info/ X-Affero: http://svcs.affero.net/rm.php?r=cbbrowne User-Agent: Gnus/5.1007 (Gnus v5.10.7) XEmacs/21.4.19 (linux) Cancel-Lock: sha1:tjiyGgIdRHQ/bwS58bDL+NTN0rQ= To: pgsql-sql@postgresql.org X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=1.273 tagged_above=0 required=5 tests=INFO_TLD X-Spam-Level: * X-Archive-Number: 200608/243 X-Sequence-Number: 26201 ajs@crankycanuck.ca (Andrew Sullivan) wrote: > On Wed, Aug 30, 2006 at 04:47:29PM -0400, Gregory Stark wrote: >> >> Do *any* databases implement SQL standard Assertions? > > Somebody must've had an implementation, or it'd never have made it > into the spec ;-) Supposedly, RDB had this feature... Of course, it disappeared into the Oracle empire... -- let name="cbbrowne" and tld="gmail.com" in String.concat "@" [name;tld];; http://linuxdatabases.info/info/slony.html Signs of a Klingon Programmer - 18. "Perhaps it IS a good day to die! I say we ship it!"