> Data migrations are rarely just about adding or removing a few columns. This has not been my experience. Sure, you occasionally need code to do a migration.

> Data migrations are rarely just about adding or removing a few columns. This has not been my experience. Sure, you occasionally need code to do a migration. But at least 90% of the time, you are adding to or refactoring your existing data model. In which case, pure SQL is entirely sufficient, unless you've been doing untoward things with your schema.