title: How to take the updated data backup?
body: <p>I have a database at mysql and the same with on the device, i want to synchronize the updated data once in a period on my device, how can i achieve this ? Please advise. 
  I got one worst case solution that is writing triggers for each table and update the details to another table, but i have 20 tables i need to write 4 trigger operations on each table, so overall 80 triggers i need to write, can anyone tell me the solution.Please help </p>