title: Get previous 24 hours from specific date using sql
body: <p>I am trying to pull the last 24 hours from specific date.  In my table, i have a lot of data points but i only want to pull prior 24 hours from the selected ID.  Here is example</p>
  
  <pre><code>select ID, Name, FullDatetime from myTable where ID = 53 
  </code></pre>
  
  <p>the result of this query will look like this:</p>
  
  <pre><code>ID   Name         FullDateime
  53   John    2015-03-11 02:00:00.000
  </code></pre>
  
  <p>So i want to pull the last 24 hours prior to this date. Please help.  thanks</p>