Oracle to PostgreSQL

PostgreSQL includes robust security standards around all aspects such as authentication, authorization, accounting and auditing. User management and role based segregation that satisfy enterprise standards can be implemented at ease. Similarly, organizations may be willing to enforce certain compliance around the password standards such as the minimum upper case characters or minimum number of numbers and special characters …

Announcing Credcheck extension to enforce username and password checks in PostgreSQL Read More »

It has been 20 Years since i have been maintaining the Ora2Pg project, an Open Source software for Oracle to PostgreSQL migrations. The first version of Ora2Pg released on 9th May, 2001. Since then, there have been several features related to schema conversions and data migrations. Over a period of time, i have witnessed several tens of thousands …

Ora2PG now supports oracle_fdw to increase the data migration speed Read More »

One of the common problems while migrating from Oracle to PostgreSQL is the need of Global Temporary Tables in PostgreSQL (GTT). There is no PostgreSQL equivalent for global temporary tables. Due to this reason, I have originally started the developed of an extension called : PGTT, to reduce the overall efforts involved while migrating from Oracle to PostgreSQL. …

Global Temporary Table in PostgreSQL Read More »

Migrating Oracle PL/SQL code to PostgreSQL PL/pgSQL requires a deeper understanding of the behavior in both Oracle and PostgreSQL databases. It is not only the syntax but also the behavior that is very important. Else, upon porting the PL/SQL code to PL/pgSQL, we may encounter some strange application behaviors that are difficult to trace. We would like to …

Porting Array length from Oracle PLSQL to PostgreSQL PLPGSQL Read More »

PostgreSQL supports a wide variety of data types when compared to a few commercial databases like Oracle. For performance benefits, it may be wise to choose the optimal data types supported in PostgreSQL, instead of choosing the same ones as the source, while migrating from another database. In this article, we are going to discuss one such case …

CHAR(1) to Boolean transformation while migrating to PostgreSQL Read More »