Yes, but more than a plan: there needs to be a well-tested schema migration process. Schemas can be upgraded. Sometimes you write to both the old table and the

Yes, but more than a plan: there needs to be a well-tested schema migration process. Schemas can be upgraded. Sometimes you write to both the old table and the new table for a while. The best way to make this less painful is to get good at it, investing in the tools to make it easier. You can’t anticipate all design changes, but you can get better at making them so they happen faster. This means getting practice at doing them.