Data Warehousing Both status data and event data can be stored in a database. True False True False ANSWER DOWNLOAD EXAMIANS APP
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 the data warehouse are loaded and refreshed from operational systems. 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A goal of data mining includes which of the following? To analyze data for expected relationships To create a new data warehouse To confirm that data exists To explain some observed event or condition To analyze data for expected relationships To create a new data warehouse To confirm that data exists To explain some observed event or condition ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data transformation includes which of the following? A process to change data from a summary level to a detailed 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 detailed level to a summary level A process to change data from a summary level to a detailed 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 detailed level to a summary level ANSWER DOWNLOAD EXAMIANS APP