Physical Database Design The fastest read/write time and most efficient data storage of any disk array type is: RAID-2 RAID-1 RAID-3 RAID-0 RAID-2 RAID-1 RAID-3 RAID-0 ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Which of the following is not a factor to consider when switching from small to large block size? The length of all of the fields in a table row Random row access speed Block contention The number of columns The length of all of the fields in a table row Random row access speed Block contention The number of columns ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design A multidimensional database model is used most often in which of the following models? Data warehouse Hierarchical Network Relational Data warehouse Hierarchical Network Relational 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 Some advantages of partitioning include: efficiency, security, and load balancing. False True False True ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Which of the following are integrity controls that a DBMS may support? Assume a default value in a field unless a user enters a value for that field. All of these Limit the use of null values in some fields. Limit the set of permissible values that a field may assume. Assume a default value in a field unless a user enters a value for that field. All of these Limit the use of null values in some fields. Limit the set of permissible values that a field may assume. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS