title: How to select last three month all dates in SQL Server
body: <p>I want to select all last 3 month dates from the table in SQL Server.</p>
  
  <p>Data is like this:</p>
  
  <pre><code>Sunday 20-05-2012
  Sunday 27-05-2012
  Sunday 10-06-2012
  Sunday 24-06-2012
  Sunday 08-07-2012
  Sunday 22-07-2012
  Sunday 12-08-2012
  Sunday 19-08-2012
  Sunday 09-09-2012
  Sunday 16-09-2012
  </code></pre>