C) can share information. Database management system is the collection of the data file included with that many users unable to run or retrieve the same set of data at the same time or different times also.
C) can be used to share information. Database management system to collect data merged together. Which multiple users can access the same set or retrieve data at the same time or at different times.
C) can be used to share data. Database management system is to collect the file put together, which many users, people can run or pull the same data set. At the same time, or different time.