Spring Batch is a powerful module of the Spring framework that provides out-of-the-box implementation for batch processing tasks. It is used in scenarios where data needs to be processed in multiple ...

This whitepaper covers experience of database migration from Oracle to PostgreSQL made by Intelligent Converters for a large cargo delivery company. The key reason of migration was reducing cost of ...

ora_migrator is a plugin for db_migrator that uses oracle_fdw to migrate an Oracle database to PostgreSQL. Please read the db_migrator documentation for usage ...

Our previous blog article, “The Part of PostgreSQL We Hate the Most,” discussed the problems caused by everyone’s favorite street-strength DBMS multi-version concurrency control (MVCC) implementation.

This article was written in collaboration with Bohan Zhang and originally appeared on the OtterTune website. In this article, we’ll dive into MVCC: what it is, how PostgreSQL does it, and why it is ...

PostgreSQL semantic of temporary tables is substantially different from that of Oracle. Oracle temporary tables are permanent, so their structure is static and visible to all users, and the content is ...