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From: Julien Rouhaud <rjuju123@gmail.com>
To: Rajesh Kumar <rajeshkumar.dba09@gmail.com>
Cc: Pgsql-admin <pgsql-admin@lists.postgresql.org>
Subject: Re: Oracle to postgres migration
Date: Mon, 27 Jan 2025 17:22:31 +0800
Message-ID: <Z5dQV9IVZcLjKN3b@jrouhaud> (raw)
In-Reply-To: <CAJk5AtavL_Q9AbcBw3J3oDmY+ggUC+Mgz-9RqOv0vHH1O9FQbA@mail.gmail.com>
References: <CAJk5AtavL_Q9AbcBw3J3oDmY+ggUC+Mgz-9RqOv0vHH1O9FQbA@mail.gmail.com>

Hi,

On Mon, Jan 27, 2025 at 02:42:22PM +0530, Rajesh Kumar wrote:
> Hi team,
>
> I am trying to migrate from oracle to postgres.
>
> I have been asked to provide an estimation for effort days. Anybody has any
> document related to estimation? And steps.
>
> Where do I start with? Anybody has any documentation related to ora2pg
> migration ?

ora2pg is probably the best tool for your task.  And yes it does provide
estimates for the migration efforts, see
https://ora2pg.darold.net/documentation.html#Migration-cost-assessment.

In general the ora2pg documentation is really good, you should find the answer
to all your questions there.

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