title: Get string after '/' character
body: <p>I want to extract the string after the character '/' in a PostgreSQL SELECT query.</p>
  
  <p>The field name is <code>source_path</code>, table name is <code>movies_history</code>.</p>
  
  <p>Data Examples:   </p>
  
  <p>Values for source_path:</p>
  
  <ul>
  <li>184738/file1.mov</li>
  <li>194839/file2.mov</li>
  <li>183940/file3.mxf</li>
  <li>118942/file4.mp4</li>
  </ul>
  
  <p>And so forth. All the values for source_path are in this format </p>
  
  <ul>
  <li>random_number/filename.xxx</li>
  </ul>
  
  <p>I need to get 'file.xxx' string only.</p>