When should I use database migration services?

Here are some scenarios where you may want to consider using database migration services:

1. You are changing hosting providers and need to move your database to a new server.
2. You are upgrading your database server and must migrate your existing data.
3. You are adding a new feature to your website or application that requires a different database structure.
4. You are making significant changes to your website or application that will require substantial changes to your database.