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BBM’s 150M+ users Oracle to Postgres migration
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Why Oracle to PostgreSQL migrations?
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Cost, cost, cost
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Licensing terms (“men in black”)
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Don’t want to store core data on proprietary RDBMS
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Oracle unavailable as-a-service on most clouds
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PostgreSQL is a natural (best) fit for Oracle
migrations: plpgsql, DBA similar ops, advanced SQL
support