Introduction to Database System A top-to-bottom relationship among the items in a database is established by a All of the listed here Relational schema Network schema Hierarchical schema All of the listed here Relational schema Network schema Hierarchical schema ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Periodically adding, changing and deleting file records is called file upgrading Updating restructuring renewing upgrading Updating restructuring renewing ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An audit trail All of the listed here is the recorded history of operations performed on a file can be used to restore lost information is used to make back-up copies All of the listed here is the recorded history of operations performed on a file can be used to restore lost information is used to make back-up copies ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the order of the rows matters. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Keys made up of two or more attributes are called composite keys. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields. None of these Object-Oriented Hierarchical Relational Network None of these Object-Oriented Hierarchical Relational Network ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS