From oracle-l-bounce@freelists.org Wed May 18 08:05:58 2005 Return-Path: Received: from air891.startdedicated.com (root@localhost) by orafaq.com (8.12.10/8.12.10) with ESMTP id j4ID5wfI021514 for ; Wed, 18 May 2005 08:05:58 -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 j4ID5w4Z021510 for ; Wed, 18 May 2005 08:05:58 -0500 Received: from localhost (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id E61C019370E; Wed, 18 May 2005 07:03:08 -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 05090-04; Wed, 18 May 2005 07:03:08 -0500 (EST) Received: from turing (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id 6E19E193336; Wed, 18 May 2005 07:03:08 -0500 (EST) X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit Subject: RE: Uniqueness Date: Wed, 18 May 2005 08:00:59 -0400 Message-ID: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: Uniqueness thread-index: AcVbcIZ/44enLvr/SyeNi6O/PWZyWwAMKVLA From: "Mercadante, Thomas F (LABOR)" To: , X-OriginalArrivalTime: 18 May 2005 12:01:00.0108 (UTC) FILETIME=[41C2E0C0:01C55BA1] X-archive-position: 19830 X-ecartis-version: Ecartis v1.0.0 Sender: oracle-l-bounce@freelists.org Errors-To: oracle-l-bounce@freelists.org X-original-sender: Thomas.Mercadante@labor.state.ny.us Precedence: normal Reply-To: Thomas.Mercadante@labor.state.ny.us X-list: oracle-l X-Virus-Scanned: by amavisd-new-20030616-p9 (Debian) at avenirtech.net X-Spam-Level: X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on air891.startdedicated.com X-Spam-Status: No, hits=0.0 required=5.0 tests=AWL autolearn=ham version=2.63 You can also: Select id, count(*) >From mytbl Group by id Having count(*) > 1 / -----Original Message----- From: oracle-l-bounce@freelists.org [mailto:oracle-l-bounce@freelists.org] On Behalf Of Kean Jacinta Sent: Wednesday, May 18, 2005 2:12 AM To: oracle-l@freelists.org Subject: Uniqueness Hi again, Is there a way to check for uniqueness of a value ? Apart from set the column to be unique ? For example : Table : mytbl PK ID ---- 1 2 3 Insert into mytbl (id) values (2); =20 Oracle will give error.=20 __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around=20 http://mail.yahoo.com=20 -- http://www.freelists.org/webpage/oracle-l -- http://www.freelists.org/webpage/oracle-l