Am I doing the development right?

Question

I am a newbie doing software development, I am creating a sales system for several stores and the database (of all stores) is centralized in Azure, but I also need to have a local BackUp of sales, items, etc., in case the power goes out, in case the internet fails. Well, that local BackUp I am managing with XML. But I don't know if I'm doing it in the best way, I do it this way because I think it solves the problem. Can someone give me your recommendation? If there is any book or reference that helps me improve, I will gladly read them. Thanks

Answer 1

I don't know how your backup exactly works, but you could use SQLLite