title: How to add tables and relations to generated Asp.Net Core MVC Identity database?
body: <p>I have a project where I have to make an ASP.NET Core MVC Web Application in which I should include user sign up, login, and an SQL database with basic CRUD operations and corresponding views. For login and signup I decided to use Asp.Net Core Identity following this tutorial: <a href="https://youtu.be/CzRM-hOe35o" rel="nofollow noreferrer">https://youtu.be/CzRM-hOe35o</a>. Everything works and looks fine for signup and login but I can't figure out how to use my database with the database generated by Identity.
  My idea for a project database was to have a table for a User and Article (there are more tables but I'm going to keep it simple to explain my problem) with one to many relation. Now that I have a generated database for all things about Users(from Identity tutorial) how can I include this Article table in the databse and make a one to many relation between AspNetUsers and Article?
  Or can I use two databases in my project, one with Users and the other one with other project tables? But then how to make relations between tables from different databases, and is it even possible?</p>