Introduction to Database System An audit trail is used to make back-up copies can be used to restore lost information is the recorded history of operations performed on a file All of the listed here is used to make back-up copies can be used to restore lost information is the recorded history of operations performed on a file All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Characteristic(s) of a distributed MIS structure is None of these interactive sharing of the workload a multiprocessing environment All of these computers supporting local DP operations None of these interactive sharing of the workload a multiprocessing environment All of these computers supporting local DP operations ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "records". True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain? Characters None of the listed here Bits Data field Characters None of the listed here Bits Data field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key is a combination of each unique key is made up a several pieces of information both (a) and (b) None of these uniquely identifies an item in a list is a combination of each unique key is made up a several pieces of information both (a) and (b) None of these uniquely identifies an item in a list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa. One-to-many relationship One-to-one relationship Many-to-one relationship None of these Many-to-many relationship One-to-many relationship One-to-one relationship Many-to-one relationship None of these Many-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
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