title: synchronizing two heterogeneous databases
body: <p>I have 2 heterogeneous databases.
  One in mysql and one in ms sql.</p>
  
  <p>I want to keep them in sync.</p>
  
  <p>There will be flow of data periodically and information flow will be both ways</p>
  
  <p>Anyone got any strategies / approaches to it?</p>