In today’s digital landscape, even a few minutes of downtime can lead to lost revenue, decreased traffic, and weakened customer trust. This is especially critical for web applications that rely heavily on databases. Therefore, migrating a database with zero downtime is not just a desirable option — it’s a necessity for businesses scaling or upgrading their infrastructure.
In this article, we’ll walk through how to properly plan your database migration, what tools to use, how to ensure failover safety, and how to prepare for potential rollback scenarios if things don’t go as expected.