title: Delete all records older than 1 month Laravel 5.2
body: <p>I have 6 months worth of data in my mysql database.
  I want to delete all the records that are older than 1 month.
  So i only want the current month of records left.</p>
  
  <p><strong>I have tried :</strong></p>
  
  <pre><code>DB::table('applicants')-&gt;whereRaw('AppDate &lt; NOW() - INTERVAL 30 DAY')-&gt;count();
  </code></pre>