title: How to remove part of the string in oracle
body: <p>Input data: </p>
  
  <pre><code>abcdef_fhj_viji.dvc
  </code></pre>
  
  <p>Expected output:</p>
  
  <pre><code>fhj_viji.dvc
  </code></pre>
  
  <p>The part to be trimmed is not constant.</p>