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 18:10:28 +0200
Message-ID: <92aef723-b446-01c1-4148-c573beba84f0@matrix.gatewaynet.com> (raw)
In-Reply-To: <8203eed5-b47c-02d0-5d88-09b71d7241ac@matrix.gatewaynet.com>
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<8203eed5-b47c-02d0-5d88-09b71d7241ac@matrix.gatewaynet.com>
On 13/1/22 6:04 μ.μ., Achilleas Mantzios wrote:
> On 13/1/22 5:02 μ.μ., Alicja Kucharczyk wrote:
>> czw., 13 sty 2022 o 15:54 Achilleas Mantzios <achill@matrix.gatewaynet.com <mailto:achill@matrix.gatewaynet.com>> napisał(a):
>>
>> 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
>>
>>
>>
>> just to be clear is it an ISV or in-house built system? Because I see two different answers ...
>
> in-house, and when not in house source is available, can you pls show me where I wrote a conflicting answer?
to be more clear, they forked the initially ISV 20 years ago, so now there is effectively only in-house.
>
> --
> Achilleas Mantzios
> DBA, Analyst, IT Lead
> IT DEPT
> Dynacom Tankers Mgmt
--
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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