Re: Exporting TBs of data in Oracle schema/database into CSV format to migrate into PostgreSQL

From: Thomas Kellerer <shammat(at)gmx(dot)net>
To: pgsql-admin(at)lists(dot)postgresql(dot)org
Subject: Re: Exporting TBs of data in Oracle schema/database into CSV format to migrate into PostgreSQL
Date: 2020-04-20 13:27:55
Message-ID: c5b9987a-ad9e-ce37-d734-2fb38d1d7330@gmx.net
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-admin

Prashant Kulkarni schrieb am 20.04.2020 um 13:53:
> Hi Team,
>
> Please can you let me know the menthds/tools/approches to export
> large amount of data (TBs) present in the schemas into the
> CSV/delimated format as we have to import that into PostgreSQL
> later.
>
> I tried for options like SQL Developer/Toad but those are not
> feasible for vast data size, these tool are OK for GBs of data to
> export.
>
> Kindly let me know if you have any solution to complete this task.

Using a foreign table would remove the need to dump and transfer
the data to begin with.

Then you could access the Oracle table directly from within Postgres:

insert into some_table (...)
select ...
from oracle_fdw_table;

In response to

Responses

Browse pgsql-admin by date

  From Date Subject
Next Message Pepe TD Vo 2020-04-20 14:02:53 Re: Exporting TBs of data in Oracle schema/database into CSV format to migrate into PostgreSQL
Previous Message Ron 2020-04-20 12:58:40 Re: Exporting TBs of data in Oracle schema/database into CSV format to migrate into PostgreSQL