Physical Database Design The fastest read/write time and most efficient data storage of any disk array type is: RAID-1 RAID-3 RAID-0 RAID-2 RAID-1 RAID-3 RAID-0 RAID-2 ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design It is usually not very important to design the physical database to minimize the time required by users to interact with the information systems. True False True False ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design A secondary key is which of the following? Primary key Nonunique key Determines the tablespace required Useful for denormalization decisions Primary key Nonunique key Determines the tablespace required Useful for denormalization decisions ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design If a denormalization situation exists with a many-to-many or associative binary relationship, which of the following is true? All fields are stored in one relation. All fields are stored in four relations. All fields are stored in two relations. All fields are stored in three relations. All fields are stored in one relation. All fields are stored in four relations. All fields are stored in two relations. All fields are stored in three relations. ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design An extent is a contiguous section of disk storage space. False True False True ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design The primary goal of physical database design is data processing efficiency. False True False True ANSWER DOWNLOAD EXAMIANS APP