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! The relational database environment has all of the following components except a. users b. separate files c. database d. query languages Correct! Wrong!