Data Warehousing Periodic data are data that are physically altered once added to the store. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data in operational systems are typically fragmented and inconsistent. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A goal of data mining includes which of the following? To explain some observed event or condition To confirm that data exists To analyze data for expected relationships To create a new data warehouse To explain some observed event or condition To confirm that data exists To analyze data for expected relationships To create a new data warehouse 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 Data in the data warehouse are loaded and refreshed from operational systems. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Fact tables are which of the following? Completely normalized Completely denoralized Partially denoralized Partially normalized Completely normalized Completely denoralized Partially denoralized Partially normalized ANSWER DOWNLOAD EXAMIANS APP