Return-Path: Delivered-To: apmail-db-derby-user-archive@www.apache.org Received: (qmail 34340 invoked from network); 27 May 2009 06:26:39 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 27 May 2009 06:26:39 -0000 Received: (qmail 42593 invoked by uid 500); 27 May 2009 06:26:51 -0000 Delivered-To: apmail-db-derby-user-archive@db.apache.org Received: (qmail 42551 invoked by uid 500); 27 May 2009 06:26:51 -0000 Mailing-List: contact derby-user-help@db.apache.org; run by ezmlm Precedence: bulk list-help: list-unsubscribe: List-Post: List-Id: Reply-To: "Derby Discussion" Delivered-To: mailing list derby-user@db.apache.org Received: (qmail 42543 invoked by uid 99); 27 May 2009 06:26:51 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 27 May 2009 06:26:51 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_HELO_PASS,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of lists@nabble.com designates 216.139.236.158 as permitted sender) Received: from [216.139.236.158] (HELO kuber.nabble.com) (216.139.236.158) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 27 May 2009 06:26:42 +0000 Received: from isper.nabble.com ([192.168.236.156]) by kuber.nabble.com with esmtp (Exim 4.63) (envelope-from ) id 1M9Caj-0001ZM-OO for derby-user@db.apache.org; Tue, 26 May 2009 23:26:21 -0700 Message-ID: <23736685.post@talk.nabble.com> Date: Tue, 26 May 2009 23:26:21 -0700 (PDT) From: David Goulden To: derby-user@db.apache.org Subject: What happens during a database upgrade? MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Nabble-From: relic@prepee.com X-Virus-Checked: Checked by ClamAV on apache.org Good day, We would like to update our derby version from 10.4.1.3 to 10.5.1.1 due to the newer version's much improved performance with large CLOBS. However our client is very conservative and would like to be sure the upgrade won't cause any issues. Can anyone tell me what changes are made to a database when derby performs an upgrade? What is the best way to verify that the upgrade hasn't caused any changes to the data? Many thanks, David -- View this message in context: http://www.nabble.com/What-happens-during-a-database-upgrade--tp23736685p23736685.html Sent from the Apache Derby Users mailing list archive at Nabble.com.