Tag: data migration

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Oracle to PostgreSQL Migration Best Practices: A Checklist for DBAs and Architects

white clouds and blue sky

TL;DR: Most Oracle to PostgreSQL migrations don't fail because of the tools — they fail because of skipped steps.
This checklist covers every phase from pre-migration assessment through cutover: the data type traps that cause silent data loss, the sequence and NULL differences that break applications after go-live, the testing steps that get cut when timelines slip, and the cutover decisions that determine whether you can roll back if something goes wrong.

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Oracle to PostgreSQL Migration Cost: A Realistic Breakdown

body of water

TL;DR: A realistic Oracle to PostgreSQL migration costs between €5,000 and €80,000+ depending on schema complexity, PL/SQL volume, and whether zero-downtime cutover is required.
The tools are free.
The cost is almost entirely consultant time, testing effort, and application changes.
Most medium-complexity migrations pay back their full cost within the first year of Oracle license savings.

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