title: Difference of two date time in sql server
body: <p>Is there any way to take the difference between two <code>datetime</code> in sql server?</p>
  
  <p>For example, my dates are</p>
  
  <ol>
  <li><code>2010-01-22 15:29:55.090</code></li>
  <li><code>2010-01-22 15:30:09.153</code></li>
  </ol>
  
  <p>So, the result should be <code>14.063 seconds</code>.</p>