How to use mysql as the data persistence backend in "Firebase + Validation Example" of vue.js?
<p>I am learning <code>Laravel 5.2</code> and <code>vue.js</code>.</p>

<p><em>The question is:</em> How to use <code>mysql</code> as the data persistence back end in <strong>"Firebase + Validation Example"</strong> of vue.js?<br>
The original example uses Firebase as the data persistence backend.<br>
<a href="http://vuejs.org/examples/firebase.html" rel="nofollow">http://vuejs.org/examples/firebase.html</a></p>