I have the opportunity to work with a variety of customers on their database systems, often with the focus on how they can build and deploy changes to their databases. Often, they have a process around how and when they make changes. Some have maintenance windows, though often these are approved times for changes rather than a true window during which a system is shut down.

I ran into a customer recently who scheduled a system shutdown for their deployments. This was a surprise to me in 2026, as I thought most people would have learned to deploy changes to live systems. However, I know that many teams make changes that would render portions of the database inaccessible for a period of time, so maybe that's not true. Maybe they just make changes and deal with the impact on clients.

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