title: What's the best way of structuring data on firebase?
body: <p>I am new to firebase and I want to know what's the best way of structuring data on it.</p>
  
  <p>I have a simple example:</p>
  
  <p>There are Applicants and Applications on my project. 1 applicant can have several applications. How can I relate this 2 objects on firebase? Does it work like a relational database? Or the approach needs to be completely different in terms of data design? </p>