title: Merging Query Result into single row - Oracle
body: <p>Can I do like this in oracle,.? I have some data like this:</p>
  
  <pre><code>No | Data |
  ===========
   1 | A    |
   1 | B    |
   1 | C    |
   1 | D    |
  </code></pre>
  
  <p>Is there any query that can produce a result like this,.?</p>
  
  <pre><code>No | Data       |
  =================
   1 | A, B, C, D |
  </code></pre>
  
  <p>Many thanks :D</p>