title: How to remove collection type name from results
body: <p>When I run this query</p>
  <pre><code>create type type_4 as table of varchar2(20) ;
  
  SELECT
      department_id,
      CAST(COLLECT(first_name) AS type_4) names
  FROM employees 
  GROUP BY department_id;
  </code></pre>
  <p>I am getting below result</p>
  <p><a href="https://i.stack.imgur.com/YgCRS.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/YgCRS.png" alt="enter image description here" /></a></p>
  <p>My question is How do i remove <strong>&quot;HR.TYPE_4&quot;</strong> from the result because its irrelevant  and also</p>
  <p>why its (<strong>HR.TYPE_4</strong>)coming in the result set because i am just giving a simple select.</p>