Database Migration -

Smart companies choose a phased migration. They use to replicate data incrementally from the old house to the new one while people are still living in the old one.

Here is the story of how that migration happens, from disaster to triumph. Chapter 1: The Disastrous "Big Bang" (What Not to Do) database migration

Despite the best planning, migrations are "10x more difficult than people think". Smart companies choose a phased migration

A dedicated "tiger team" tests every byte to ensure data integrity. Chapter 3: The Darkest Hour (When Things Go Wrong) Chapter 1: The Disastrous "Big Bang" (What Not

Never underestimate how long a "temporary" hack or data transfer will take. If the move goes wrong, rolling back is a nightmare. Chapter 2: The Strategy—Phased Migration

You must map every dependency—every table, view, and stored procedure.

Moving from Oracle or MySQL to PostgreSQL isn't just a file transfer; it’s translating languages. Automated tools are essential, often reducing project time by 50%.