Physical Database Design A multidimensional database model is used most often in which of the following models? Data warehouse Network Relational Hierarchical Data warehouse Network Relational Hierarchical 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 Which of the following is not a factor to consider when switching from small to large block size? 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 The length of all of the fields in a table row 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Sequential retrieval on a primary key for sequential file storage has which of the following features? Impractical Slow Very fast Moderately fast Impractical Slow Very fast Moderately fast 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