Data Warehousing Most operational systems are based on the use of transient data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The role of the ETL process is to identify erroneous data and to fix them. False True False True 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 A goal of data mining includes which of the following? To confirm that data exists To create a new data warehouse To analyze data for expected relationships To explain some observed event or condition To confirm that data exists To create a new data warehouse To analyze data for expected relationships To explain some observed event or condition ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Both status data and event data can be stored in a database. False True False True 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