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Oracle to PostgreSQL

Latest version 2.5 released 05/29/2017

Oracle-to-PostgreSQL is a program to migrate databases from Oracle to PostgreSQL server. The program provide high performance of the conversion due to direct connection to source and destination databases. It does not use ODBC or any other middleware software. Command line support allows to script and schedule the conversion process.

  • The converter supports all variations of PostgreSQL including Heroku
  • All versions of 32- and 64-bit Oracle running on Linux, Unix and Windows platforms are supported
  • Option to synchronize PostgreSQL database with Oracle data
  • The program converts indexes and foreign keys with all necessary attributes
  • Option to convert individual tables
  • Option to filter data using SELECT-queries
  • Command line support
  • Quick Launch
  • Stores conversion settings into profile
  • Support for Unicode
  • Easy-to-use wizard-style interface
  • Full install/uninstall support
  • Unlimited 24/7 support service
  • 1-year subscription for updates


  • Does not convert views, stored procedures and triggers
  • Demo version converts only 50 records per table
  • Demo version does not convert foreign keys

Download trial version of Oracle-to-PostgreSQL


  • PostgreSQL environment (server or client components of PostgreSQL must be installed on the same machine where you run Oracle to PostgreSQL converter)
  • Necessary privileges to write into the destination database

Quick Lauch

Once you stored conversion settings into profile you can run the program in Quick Launch mode. Just launch Windows Explorer and double-click on the profile description (.o2p) file with left mouse button. This will cause Oracle-to-PostgreSQL wizard to launch conversion loading the necessary settings from the specified profile. Then you will be taken right to the screen with progress of conversion without entering all conversion settings.


Oracle-to-PostgreSQL implements synchronization as combination of insert Oracle records that are missing in PostgreSQL table and update existing PostgreSQL records with Oracle data. For synchronization purpose source and destination tables must have identical structures and have primary key or unique index defined. Assume both Oracle and PostgreSQL databases have table "People" defined as below:

	FName VARCHAR2(50),
	LName VARCHAR2(50), 
	EMail VARCHAR2(50), 
        Primary Key (ID)

This table has the following contents in Oracle database:

    2	Andrew		White		a.white@corporation.com
    3	Phil		Johnson		p.johnson@gmail.com

In PostgreSQL database:

    1	John		Smith		j.smith@msn.com
    2	Andrew		White		a.white@yahoo.com

After migrating Oracle data to PostgreSQL in "Synchronize" mode Oracle table is kept untouched and PostgreSQL table is modified as (pay attention to the second row):

    1	John		Smith		j.smith@msn.com
    2   Andrew		White		a.white@corporation.com
    3	Phil		Johnson		p.johnson@gmail.com

Try before you buy

Still not sure the program fits your needs? Try free demo version with limited features. It will allow you to convert only five records for each database table, it does NOT convert queries/views and foreign keys. Test the quality of the demo and come back to place an order if satisfied with the results.

Download trial version of Oracle-to-PostgreSQL


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Oracle Migration Toolkit
software pack to convert any data source to Microsoft SQL
and vice versa
Postgres Migration Toolkit
software pack to convert any data source to PostgresSQL
and vice versa