Data Warehousing Periodic data are data that are physically altered once added to the store. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Every key used to join the fact table with a dimensional table should be a surrogate key. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Star schema is suited to online transaction processing, and therefore is generally used in operational systems, operational data stores, or an EDW. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Joining is the process of partitioning data according to predefined criteria. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data transformation includes which of the following? Separating data from one source into various sources of data A process to change data from a summary level to a detailed level A process to change data from a detailed level to a summary level Joining data from one source into various sources of data Separating data from one source into various sources of data A process to change data from a summary level to a detailed level A process to change data from a detailed level to a summary level Joining data from one source into various sources of data ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Fact tables are which of the following? Partially normalized Completely normalized Partially denoralized Completely denoralized Partially normalized Completely normalized Partially denoralized Completely denoralized ANSWER DOWNLOAD EXAMIANS APP