Oracle to PostgreSQL

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Latest version 1.5 released 10/05/2015

Oracle-to-PostgreSQL is a program to migrate Oracle databases to PostgreSQL server. The program has high performance due to direct connection to data source and destination databases (it does not use ODBC or any other middleware software). Command line support allows to script, automate and schedule the conversion process.

  • All versions of PostgreSQL starting from v9.0 are supported
  • All versions of Oracle are supported
  • Option to merge Oracle data into an existing PostgreSQL database
  • Option to synchronize PostgreSQL database with Oracle data
  • Option to convert individual tables
  • Option to filter data using SELECT-queries
  • Converts indexes with all necessary attributes
  • Converts foreign keys
  • Command line support
  • Quick Launch
  • Stores conversion settings into profile
  • Support for multibyte character sets
  • 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


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
3  Phil  Johnson

In PostgreSQL database:

1  John  Smith
2  Andrew  White

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

1  John  Smith
2  Andrew  White
3  Phil  Johnson

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 50 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
PostgreSQL Migration Toolkit
software pack to convert any data source to PostgresSQL
and vice versa