An operational system is a term used in data warehousing to refer to a system that is used to process the day-to-day transactions of an organization. These systems are designed in a manner that processing day-to-day transactions are performed efficiently and the integrity of the transactional data is preserved.
Building a custom solution for your operational system can get complicated and confusing as you move from initiation to completion.
While you will need the right skill set and the right people to build and manage the system, it is crucial that a subject matter expert is involved in the overall development process.
Following are some areas that needs to be given keen attention to