Database on going is kind of works that you have an application running - with valid data and active customers that is Capital off your business and spend so many years to collect them . - But its need changes . I dont know , maybe because your business was growing , the business and word changed and . . . , and you need your Wealthy data to be safe and steel valid , you need the changes in application be extremity Without Errors and bugs to keep the trust of your dear customer . and in same time you need to upgrade your software architecture and make the tech update . you can trust I , I spend last five years in this field with interprise application not just little one .