Introduction to Database System A ternary relationship is so called because in contains two entities and one association between them. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System 1:1, 1:N and N:M relationships are also known as HAS-A relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database All of these both (a) and (b) None of these can use aggregate functions like SUM and COUNT are written in English All of these both (a) and (b) None of these can use aggregate functions like SUM and COUNT are written in English ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attributes A and B determine attribute C, then it is also true that: A → B → C is a determinant. (A,B) is a composite determinant. A → B → C is a determinant. (A,B) is a composite determinant. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file if high, reduces processing efficiency for sequential and nonsequential files is a low percentages of number of records added or deleted from a file is a measure of the percentage of existing records updated during a run refers to how closely the files fits into the allocated None of these if high, reduces processing efficiency for sequential and nonsequential files is a low percentages of number of records added or deleted from a file is a measure of the percentage of existing records updated during a run refers to how closely the files fits into the allocated None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as a single data item None of these a random collection of data items a general collection of data items an orderly collection of data items a single data item None of these a random collection of data items a general collection of data items an orderly collection of data items ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS