Physical Database Design Sequential retrieval on a primary key for sequential file storage has which of the following features? Slow Impractical Very fast Moderately fast Slow Impractical Very fast Moderately fast ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design If a denormalization situation exists with a one-to-one binary relationship, which of the following is true? All fields are stored in four relations. All fields are stored in one relation. All fields are stored in two relations. All fields are stored in three relations. All fields are stored in four relations. All fields are stored in one relation. All fields are stored in two relations. All fields are stored in three relations. ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Which of the following is an advantage of partitioning? Extra space Complexity Inconsistent access speed Security Extra space Complexity Inconsistent access speed Security ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design The blocking factor is: the number of physical records per page. a group of fields stored in adjacent memory. attributes grouped together by the same secondary key. attributes grouped together by the same primary key. the number of physical records per page. a group of fields stored in adjacent memory. attributes grouped together by the same secondary key. attributes grouped together by the same primary key. ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Selecting a data type involves which of the following? Improve data integrity Represent most values All of these Maximize storage space Improve data integrity Represent most values All of these Maximize storage space ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Two basic constructs to link one piece of data with another piece of data: sequential storage and pointers. True False True False ANSWER DOWNLOAD EXAMIANS APP