Physical Database Design The fastest read/write time and most efficient data storage of any disk array type is: RAID-0 RAID-1 RAID-2 RAID-3 RAID-0 RAID-1 RAID-2 RAID-3 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 one relation. All fields are stored in four relations. All fields are stored in three relations. All fields are stored in two relations. All fields are stored in one relation. All fields are stored in four relations. All fields are stored in three relations. All fields are stored in two relations. ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design The blocking factor is: attributes grouped together by the same primary key. the number of physical records per page. attributes grouped together by the same secondary key. a group of fields stored in adjacent memory. attributes grouped together by the same primary key. the number of physical records per page. attributes grouped together by the same secondary key. a group of fields stored in adjacent memory. ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design When storage space is scarce and physical records cannot span pages, creating multiple physical records from one logical relation will minimize wasted storage space. False True False True 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 Two basic constructs to link one piece of data with another piece of data: sequential storage and pointers. False True False True ANSWER DOWNLOAD EXAMIANS APP