Physical Database Design A field represents each component of a composite attribute. False True False True 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-3 RAID-1 RAID-2 RAID-0 RAID-3 RAID-1 ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design In general, larger block sizes are used for online transaction processing applications and smaller block sizes are used for databases with a decision support or data warehousing system. False True False True ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Distributing the columns of a table into several separate physical records is known as horizontal partitioning. False True False True 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 The number of columns Block contention Random row access speed The length of all of the fields in a table row The number of columns Block contention Random row access speed ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design A secondary key is which of the following? Determines the tablespace required Primary key Useful for denormalization decisions Nonunique key Determines the tablespace required Primary key Useful for denormalization decisions Nonunique key ANSWER DOWNLOAD EXAMIANS APP
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