Database Migration Apr 2026

For a high-traffic app, "turning it off" for 4 hours costs millions in revenue and causes massive customer anger.

This is a full story about —a high-stakes, technical, and often terrifying saga that every growing tech company eventually faces. database migration

Here is the story of how that migration happens, from disaster to triumph. Chapter 1: The Disastrous "Big Bang" (What Not to Do) For a high-traffic app, "turning it off" for

You must map every dependency—every table, view, and stored procedure. For a high-traffic app