Introduction to Database System A large computer information system maintains many different computer files. Which amongst them is called a perpetual file? Master file Specialized file Log file Update file Master file Specialized file Log file Update file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An audit trail is the recorded history of operations performed on a file is used to make back-up copies All of the listed here can be used to restore lost information is the recorded history of operations performed on a file is used to make back-up copies All of the listed here can be used to restore lost information ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The distinguishable parts of a record are called None of these data files database fields None of these data files database fields ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One data dictionary software package is called None of these DB/DC dictionary TOTAL ACCESS any of the above None of these DB/DC dictionary TOTAL ACCESS any of the above ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities of a given type are grouped into a(n): entity class. attribute. database. ER entity class. attribute. database. ER ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that: A → (B,C). A → A → (B,C) → A → (B,C). A → A → (B,C) → ANSWER DOWNLOAD EXAMIANS APP
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