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327
Joined
2 yr. ago

  • I know of 2 projects that wanted to migrate from Oracle to Postgres, one of which was successful. Both migrations were driven by cost savings--Oracle can get exceedingly expensive.

    In both cases there was up front analysis of Oracle specific features being used. A lot of that could be rewritten into standard SQL but some required code logic changes to compensate. Vendor lock-in is insidious and will show up in native queries, triggers, functions that use Oracle packages, etc.

    Changing a project's underlying database is rare, but not as rare as it used to be.