You're heading the right way. A correct design is not simple, but it can be done. You might be able to buy a boilerplate that'll work as a starting point. Sepa

You're heading the right way. A correct design is not simple, but it can be done. You might be able to buy a boilerplate that'll work as a starting point. Separate database will only work if you'll have a handful of customers, and even then a pain.