title: How to retrieve data from database child reference inside another child reference, both generated by push()
body: <pre><code>Orders
       .
       .
       . -KpZUeqhsuv8cb8zxUQk
       .       . -KpZUeqhsuv8cb8zxUQl
       .       .      desc: "1/4 Fried Chicken"
       .       .      price: 70
       .       .      qty: 2
       .       . -KpZUeqhsuv8cb8zxUQm
       .       .      desc: "Apple and Citrus Blend"
       .       .      price: 120
       .       .      qty: 1
       .       . -KpZUeqhsuv8cb8zxUQn
       .              desc: "1/4 Fried Chicken"
       .              price: 250
       .              qty: 0
       . -KpZUeqi8Cy2VI3qpEnp
       . -KpZXtq2o6mLnMKb_w3m
       . -KpZb7aBuahEQXh4EWaR
  </code></pre>
  
  <p>I have this set of data in my firebase real-time database and I need to retrieve it and display inside a recyclerview but an at loss as how to go about it. I have the basics of retrieving data but this seems complex and advanced. Any kind of assistance is highly appreciated.<a href="https://i.stack.imgur.com/ERd5N.png" rel="nofollow noreferrer">https://i.stack.imgur.com/ERd5N.png</a></p>