Migrating from Oracle to PostgreSQL has become a major trend as organizations aim to reduce licensing costs, adopt open-source technologies, and move toward cloud-native architectures. However, migration isn’t just export-import —it requires the right tools to handle schema conversion, data transfer, performance tuning, and ongoing synchronization. To make this journey seamless, here are the top tools every DBA should know when migrating from Oracle to PostgreSQL .

Best for: Schema & data migration Type: Open-source Use Case: Converts Oracle schema objects (tables, indexes, triggers, views, packages) to PostgreSQL syntax. Key Features: - Converts PL/SQL to PL/pgSQL Converts PL/SQL to PL/pgSQL - Migrates large datasets in chunks Migrates large datasets in chunks - Generates reports on migration complexity Generates reports on migration complexity - Supports parallel migration Supports parallel migration

Best for: Cloud migrations to Amazon RDS / Aurora PostgreSQL Type: Free by AWS Key Features: - Automates schema and SQL object conversion Automates schema and SQL object conversion - Assessment reports for incompatible code Assessment reports for incompatible code - Works with DMS for live replication Works with DMS for live replication - Supports on-prem & cloud source databases Supports on-prem & cloud source databases Ideal when Oracle is being migrated to AWS-managed PostgreSQL .

Best for: Continuous/online migration Type: Cloud Service While SCT converts schema, DMS handles data movement , including ongoing changes. Key Features: - Minimal downtime (CDC enabled) Minimal downtime (CDC enabled) - Supports full load + incremental replication Supports full load + incremental replication - Secure & scalable pipeline for large DBs Secure & scalable pipeline for large DBs

Best for: Enterprises using EnterpriseDB PostgreSQL Type: Commercial + Community Key Features: - Direct migration from Oracle to EDB Postgres Direct migration from Oracle to EDB Postgres - Support for data type mapping, LOB migration Support for data type mapping, LOB migration - CLI-based automation CLI-based automation Great for those who need enhanced Oracle compatibility in PostgreSQL.

Best for: Bulk data loads Type: Open-source Key Features: - Fast load processing using multi-threading Fast load processing using multi-threading - Can load from Oracle over ODBC Can load from Oracle over ODBC - Automatic type mapping Automatic type mapping - Supports direct migration without dump files Supports direct migration without dump files Ideal when performance is a priority.

Best for: GUI-based migrations Type: Paid Key Features: - Easy setup with UI Easy setup with UI - Schema + data + DDL conversion Schema + data + DDL conversion - Supports batch sync and incremental sync Supports batch sync and incremental sync Useful for teams that want migration without deep scripting.

Best for: Schema versioning & DevOps pipelines Not used to migrate data, but essential after migration for schema consistency and CI/CD . Key Features: - Version control for database changes Version control for database changes - DevOps-friendly migrations DevOps-friendly migrations - Works across multiple environments Works across multiple environments

Migrating from Oracle to PostgreSQL is a strategic move for cost savings and flexibility—but the journey is successful only with proper tooling. Start with Ora2Pg for schema conversion , use pg_loader or DMS for data migration , and ensure post-migration consistency using Flyway or Liquibase . With the right tools, you can achieve a smooth transition with minimal downtime and maximum efficiency. Want to see how we teach? Head over to our YouTube channel for insights, tutorials, and tech breakdowns: www.youtube.com/@learnomate To know more about our courses, offerings, and team: Visit our official website: www.learnomate.org Let’s connect and talk tech! Follow me on LinkedIn for more updates, thoughts, and learning resources: https://www.linkedin.com/in/ankushthavali/ If you want to read more about different technologies, Check out our detailed blog posts here: https://learnomate.org/blogs/ Let’s keep learning, exploring, and growing together. Because staying curious is the first step to staying ahead. Happy learning! ANKUSH