Introduction to Database System Sophisticated report generators can print row-oriented reports All of the listed here perform arithmetic operations selectively retrieve and print portions of a list print row-oriented reports All of the listed here perform arithmetic operations selectively retrieve and print portions of a list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The way a particular application views the data from the data base that the application uses is a : subschema module relational model schema None of these subschema module relational model schema None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a calculation is embedded in a form the result of the calculations are printed in report the result of the calculations are stored with the form all of the listed here the calculations are stored with the form the result of the calculations are printed in report the result of the calculations are stored with the form all of the listed here the calculations are stored with the form ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file refers to how closely the files fits into the allocated is a measure of the percentage of existing records updated during a run if high, reduces processing efficiency for sequential and nonsequential files None of these is a low percentages of number of records added or deleted from a file refers to how closely the files fits into the allocated is a measure of the percentage of existing records updated during a run if high, reduces processing efficiency for sequential and nonsequential files None of these is a low percentages of number of records added or deleted from a file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attributes A and B determine attribute C, then it is also true that: C is a determinant. B → (A,B) is a composite determinant. A → C is a determinant. B → (A,B) is a composite determinant. A → ANSWER DOWNLOAD EXAMIANS APP
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