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: (B,C) → A → (B,C). A → A → (B,C) → A → (B,C). A → A → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Large collections of files are called databases records fields file system None of these databases records fields file system None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A form can be used to All of these delete records format printed output None of these modify records All of these delete records format printed output None of these modify records ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The distinguishable parts of a record are called None of these fields data files database None of these fields data files database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → S , R is called the determinant. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key None of these is a combination of each unique key uniquely identifies an item in a list both (a) and (b) is made up a several pieces of information None of these is a combination of each unique key uniquely identifies an item in a list both (a) and (b) is made up a several pieces of information ANSWER DOWNLOAD EXAMIANS APP
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