Introduction to Database System A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An application where only one user accesses the database at a given time is an example of a(n) ________ . multiuser database application e-commerce database application single-user database application data mining database application multiuser database application e-commerce database application single-user database application data mining database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The database administration function includes application programming All of these database access planning computer operations management None of these application programming All of these database access planning computer operations management None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Periodically adding, changing and deleting file records is called file restructuring upgrading renewing Updating restructuring upgrading renewing Updating ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. Delete Sort Key None of these Update Index Delete Sort Key None of these Update Index ANSWER DOWNLOAD EXAMIANS APP
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