title: I want to add month to a Date using SqlContext
body: <p>'<strong>01-FEB-2013</strong>' This is my date. how can I get the result as 01-MAR-2013?</p>
  
  <p><code>SELECT DATE_ADD( '2011-01-01', INTERVAL 1 month );</code></p>
  
  <p>This is possible by mySql.I want the result using sqlContext in scala Is it possible?</p>