title: Data mapping between two hetrogenous system
body: <p>During integration of two heterogenous system, there are some requirements for data mapping.</p>
  <p>how can we automate and move these transforamtion to some higher level e.g. database, configration so that we need not to make code changes everytime.
  Example</p>
  <p><a href="https://i.stack.imgur.com/A8o4s.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/A8o4s.png" alt="enter image description here" /></a></p>