Re: Best practice to load a huge table from ORACLE to PG

From: Luke Lonergan <llonergan(at)greenplum(dot)com>
To: Adonias Malosso <malosso(at)gmail(dot)com>, <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Best practice to load a huge table from ORACLE to PG
Date: 2008-04-26 16:13:34
Message-ID: C438A2BE.5C656%llonergan@greenplum.com
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Yep ­ just do something like this within sqlplus (from
http://www.dbforums.com/showthread.php?t=350614):

set termout off
set hea off
set pagesize 0

spool c:\whatever.csv

select a.a||','||a.b||','||a.c
from a
where a.a="whatever";

spool off

COPY is the fastest approach to get it into PG.

- Luke

On 4/26/08 6:25 AM, "Adonias Malosso" <malosso(at)gmail(dot)com> wrote:

> Hi All,
>
> I´d like to know what´s the best practice to LOAD a 70 milion rows, 101
> columns table
> from ORACLE to PGSQL.
>
> The current approach is to dump the data in CSV and than COPY it to
> Postgresql.
>
> Anyone has a better idea.
>
>
> Regards
> Adonias Malosso
>

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