title: How check column Exits or not in SQLITE in Phonegap
body: <p>i want check field exits or not in Sqlite table. I searched and found PRAGMA is there but i didn't know how to use it in phonegap.</p>
  
  <p>my problem is that i have one table,in that table a, b, c name field.
      Now i want to add d name field when table didn't contain d name field..if d name field exits no need to add that field.</p>
  
  <p>So how is it possible in sqlite using phonegap???.</p>