title: MySQL double ORDER BY
body: <p>I got a MySQL tablw which will store the contest participant informations.</p>
  
  <p>Structure like</p>
  
  <pre><code>id   +   user_id    +   marks     +   date_added
  -----+--------------+-------------+----------------------
  1    |   24         |    30       |  2014-02-06 03:04:08
  -----+--------------+-------------+----------------------
  1    |   25         |    10       |  2014-02-06 13:04:08
  -----+--------------+-------------+----------------------
  1    |   26         |    14       |  2014-02-06 05:04:08
  -----+--------------+-------------+----------------------
  1    |   27         |    54       |  2014-02-06 21:04:08
  </code></pre>
  
  <p>From this I need to find out a winner .</p>
  
  <p>ie the winner with maximum marks. In case of multiple candidate with max marks then it will be on first come basis.</p>
  
  <p>Got many contest with thousands of datas</p>
  
  <p>Can anyone please show me a hint ?</p>
  
  <p>Thanks in advance</p>