how can I make app for restaurant and need to create separated database for each restaurant , beside that I need to create another database that contain all customers only from all restaurant
this will be the structure
restaurants --->
----restaurant-1
----restaurant-2
----restaurant-3
customers ---> all customers in restaurant-1, restaurant-2, restaurant-3
I also need to make user in any restaurant separated from others so he can have one account and it contains 2 restaurant