title: Effect of adding new columns to existing table
body: <p>In my project there is new requirement, in which I've to add two new columns to the existing table. </p>
  
  <p>How I can analysis the effect of adding two new columns to this table?</p>
  
  <p>Please note:
  I already find all dependencies using all_dependencies view and also I have used all_source to find few more information.</p>
  
  <p>Could you please guide me what will be the right approach to follow in this project?  </p>
  
  <p>Edit1: As this question attracted the negative points. I would like to improve according to your suggestion. </p>