Introduction to Database System A subtype entity is a special case of another entity called a supertype entity. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An on-line commercial site such as Amazon.com is an example of a(n) ________ . multiuser database application e-commerce database application data mining database application single-user database application multiuser database application e-commerce database application data mining database application single-user database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to group the records in the abc database, you could use the Jobcode as the _____. Update Delete Sort Key Index Update Delete Sort Key Index ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be None of these the last name All of these a compound key consisting of the first name and the last name the pin code None of these the last name All of these a compound key consisting of the first name and the last name the pin code ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the DBM approach, application programs perform the processing functions all of the listed here access control storage function processing functions all of the listed here access control storage function ANSWER DOWNLOAD EXAMIANS APP
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