Physical Database Design Sequential retrieval on a primary key for sequential file storage has which of the following features? Moderately fast Impractical Very fast Slow Moderately fast Impractical Very fast Slow 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 two relations. All fields are stored in one relation. All fields are stored in three relations. All fields are stored in four relations. All fields are stored in two relations. All fields are stored in one relation. All fields are stored in three relations. ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Data-volume and frequency-of-use statistics are not critical inputs to the physical database design process. False True False True ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design The primary goal of physical database design is data processing efficiency. True False True False ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design The fastest read/write time and most efficient data storage of any disk array type is: RAID-2 RAID-0 RAID-1 RAID-3 RAID-2 RAID-0 RAID-1 RAID-3 ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Selecting a data type involves which of the following? Represent most values Maximize storage space Improve data integrity All of these Represent most values Maximize storage space Improve data integrity All of these ANSWER DOWNLOAD EXAMIANS APP