Introduction to Database System If attributes A and B determine attribute C, then it is also true that: B → C is a determinant. A → (A,B) is a composite determinant. B → C is a determinant. A → (A,B) is a composite determinant. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The index consists of None of these pointers to the master list All of these a list of keys both (a) and (b) None of these pointers to the master list All of these a list of keys both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An on-line commercial site such as Amazon.com is an example of a(n) ________ . data mining database application e-commerce database application multiuser database application single-user database application data mining database application e-commerce database application multiuser database application single-user database application 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. Index Sort Key Delete Update None of these Index Sort Key Delete Update None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which two files are used during operation of the DBMS? data dictionary and transaction log query language and utilities data dictionary and query language None of the listed here data dictionary and transaction log query language and utilities data dictionary and query language None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System All instances of an entity class have the same attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
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