title: Spring batch with jdbc for audit data
body: <p>Hi i have an requirement to update spring batch with jdbc</p>
  
  <p>My requirement is</p>
  
  <p>I have to audit the database table having emp details like name,age,project etc..
  for ex the first row is having emp details like</p>
  
  <pre><code>name age project address phno.
  sus  45   java    xyz     456
  </code></pre>
  
  <p>When i audit the phone number and save it in the same database table the table must be like</p>
  
  <pre><code>sus 45   java  xyz  456
  sus null null  null 435
  </code></pre>
  
  <p>So the logic is like only key column and changed value will be reflected in the next row and other not changed column must be null</p>
  
  <p>I have to do it with spring batch program with jdbc connectivity..</p>
  
  <p>Please help me out to find out the logic and coding idea..</p>