If a piece of data is stored in two places in the database, then a. storage space is wasted b. changing the data in one spot will cause data inconsistency c. in can be more easily accessed d. both and b Correct! Wrong! An audit trail a. is used to make backup copies b. is the recorded history of operations performed on a file c. can be used to restore lost information d. none of the aobve Correct! Wrong! Primitive operations common to all record management system include a. print b. sort c. look-up d. all of above Correct! Wrong!
