title: Multiple postgresql Database at runtime in ruby on rails
body: <p>When customers is created in my app ruby on rails,I want to create database for each customers without break/closing my exiting/running application database.When particular customer is login then I want to CRUD operations on both databases.
    My app Database name is myapp.
  E.g  when customer 1 is created in myapp I want create One database for customer_1.
        when customer 2 is created in myapp I want create One database for customer_2.</p>
  
  <p>When customer 1 is login in myapp , when he does any crud operations then I want save all data in Myapp database as well as customer_1 database. </p>