title: a character string failed conversion to a numeric value
body: <p>I am just trying to add the letter A to the beginning of the results Im bring back and I keep getting this message. 
  Query Failed. 3535 a character string failed conversion to a numeric value
  Thanks for any help.</p>
  
  <pre><code>select
              a.area_cd  as CO_Area 
              , 'A' +  a.area_cd
   from intDDt.DIXX a
  </code></pre>