Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1n80qj-000899-R5 for pgsql-admin@arkaria.postgresql.org; Thu, 13 Jan 2022 14:13:09 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1n80qi-0005Iu-I5 for pgsql-admin@arkaria.postgresql.org; Thu, 13 Jan 2022 14:13:08 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1n80qL-0006WV-MW for pgsql-admin@lists.postgresql.org; Thu, 13 Jan 2022 14:12:45 +0000 Received: from aart.rice.edu ([168.7.56.48]) by makus.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1n80qI-0004dj-BQ for pgsql-admin@lists.postgresql.org; Thu, 13 Jan 2022 14:12:43 +0000 Received: by aart.rice.edu (Postfix, from userid 18612) id B573B427F283; Thu, 13 Jan 2022 08:12:41 -0600 (CST) Date: Thu, 13 Jan 2022 08:12:41 -0600 From: Kenneth Marshall To: Achilleas Mantzios Cc: Alicja Kucharczyk , pgsql-admin@lists.postgresql.org Subject: Re: New Oracle system in our house, migration chances Message-ID: <20220113141241.GV25601@aart.rice.edu> References: <5387d1e8-a7d4-f568-fef1-30489fe93bba@matrix.gatewaynet.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5387d1e8-a7d4-f568-fef1-30489fe93bba@matrix.gatewaynet.com> User-Agent: Mutt/1.5.21 (2010-09-15) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk > >Hi Achilleas, > >I would go with version B - since as I understand it's ISV > >solution. Meaning the postgres ddl was tested and aligned with the > >application layer, otherwise you would need to fix app layer after > >the migration. > Dziekuje Alicija. The powerbuilder app is in-house developed, source > is available, what could be wrong with the app? Browsing through the > powerbuilder source I don't see (by eye) anything that could break > something in PgSQL. > > > -- > Achilleas Mantzios > DBA, Analyst, IT Lead > IT DEPT > Dynacom Tankers Mgmt Hi Achilleas, If the schema and usage is straight-forward, I would recommend using ora2pg to give you an estimation cost for your migration by letting you know what cannot be automatically translated. Once you have that you will be better informed as to the work needed. Regards, Ken