Oracle to PostgreSQL
Moving from Oracle to PostgreSQL is an application compatibility project as much as a data migration. Packages, stored procedures, data types and SQL behavior need explicit review. The assessment separates direct conversion from engineering work, so platform choices can be evaluated against implementation and operating costs.
Talk to an expertEngineering workstreamsENGAGEMENT SCOPE
Engineering workstreams
For organizations evaluating PostgreSQL as an alternative to Oracle and needing an evidence-based view of compatibility, conversion effort and operational readiness.
- 01
Inventory schemas, PL/SQL packages, procedures, triggers and application SQL. Identify Oracle-specific dependencies and classify their impact on the proposed PostgreSQL architecture.
- 02
Map data types and review SQL and procedural-language differences. Define how stored logic and application integrations will be adapted, tested or retained outside the initial migration scope.
- 03
Rehearse schema conversion and data movement. Validate converted routines against representative inputs and business outcomes; investigate reconciliation exceptions with the application team.
- 04
Benchmark critical queries and concurrency on the target. Establish maintenance, backup and recovery responsibilities before approving production cutover.
Architecture and migration decisions
- Which Oracle-specific features and SQL patterns does the workload use?
- What application changes and testing are in scope?
- What target sizing, downtime window and rollback approach are acceptable?
Evidence and deliverables
- Compatibility and dependency assessment
- Schema and SQL adaptation plan
- Data migration and validation plan
- Cutover and operational handover documentation
The final scope, acceptance criteria, downtime window and commercial terms are agreed for each project.
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