title: Aging bucket in SQL query
body: <p>I have a table which has member ID along with LM_Conversion_date and retired_date. I have managed to get the difference between two date but now i would like to have the aging bucket and reflect those membership number which falls under those bucket. Here is my table example and how i want to see the data,</p>
  
  <pre><code>Member_no   LM_Conversion_date  Retired_date    Date_difference
  100026            08/12/2017    31/12/2017      23
  100114            31/08/2017    31/08/2017      0
  100620            15/09/2017    30/09/2017      15
  100726             10/01/2017   31/12/2016     -10
  </code></pre>
  
  <p>I want the output to be </p>
  
  <pre><code>All negative      0-15      15-30     &gt;30
  100726            100114    100026   
                    100620        
  </code></pre>
  
  <p>Any Help will be much appreciated</p>