I used ora2pg a couple years ago. I made a few minor changes to fit our specific requirements, but it worked well for our migration to Postgresql.
Alan
From: pgsql-admin-owner@postgresql.org [mailto:pgsql-admin-owner@postgresql.org] On Behalf Of Paul B. Anderson Sent: Thursday, May 02, 2013 9:30 AM To: pgsql-admin@postgresql.org Subject: Re: [ADMIN] Migration from Oracle 11g to Postgresql
> Hello, I'm planning a migration of production DBs from Oracle to > Postgresql. I would like to receive some suggestions, advising or links to > related subjects. I decided to rewrite all store procedures, that is not a > problem. But regarding the data I was thinking in migrating schema by > schema. First, create all table structures in postgresql schema. Then, > generate inserts statements from Oracle schema to extract all data. Addapt > those inserts to the .sql script/s in postgresql schema. > I'm currently making a POC of that process since the schemas to migrate are > not so big. Only a few tables have around 1.000.000 of rows. > That would be the manual migration. Are there some other ways to make this? > > Thanks for the support and I'm glad to start with postgres.