From: Achilleas Mantzios <achill@matrix.gatewaynet.com>
To: pgsql-admin@lists.postgresql.org
Subject: Re: New Oracle system in our house, migration chances
Date: Thu, 13 Jan 2022 16:54:05 +0200
Message-ID: <28f5dfe5-fdf6-5d25-8fbf-77075a55a28c@matrix.gatewaynet.com> (raw)
In-Reply-To: <87b3dd77-f6c8-1e0c-fcc8-2b2aabefb72b@gmx.net>
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<87b3dd77-f6c8-1e0c-fcc8-2b2aabefb72b@gmx.net>
On 13/1/22 4:51 μ.μ., Thomas Kellerer wrote:
> Julien Rouhaud schrieb am 13.01.2022 um 15:13:
>> I would go with option A if possible. If you want to get an idea of how
>> complicated a migration would be, ora2pg does have a migration cost assessment
>> report [1]. It can even check the queries if you have the audit trail enabled
>> on your oracle database (if that existed in that version).
>>
> I second this. Option A) is much cleaner. In my experience compatibility layers
> that promise that "System A" behaves exactly like "System B" also introduce
> a lot of additional problems. And if something goes wrong, you can never be sure
> which part causes the problem.
Thanks, of course I agree with the last sentence.
>
>
>
--
Achilleas Mantzios
DBA, Analyst, IT Lead
IT DEPT
Dynacom Tankers Mgmt
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Subject: Re: New Oracle system in our house, migration chances
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