Data Warehousing Most operational systems are based on the use of transient data. 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 Data scrubbing can help upgrade data quality; it is not a long-term solution to the data quality problem. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing An operational system is which of the following? A system that is used to run the business in real time and is based on historical data. A system that is used to run the business in real time and is based on current data. A system that is used to support decision making and is based on historical data. A system that is used to support decision making and is based on current data. A system that is used to run the business in real time and is based on historical data. A system that is used to run the business in real time and is based on current data. A system that is used to support decision making and is based on historical data. A system that is used to support decision making and is based on current data. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Fact tables are which of the following? Completely denoralized Completely normalized Partially normalized Partially denoralized Completely denoralized Completely normalized Partially normalized Partially denoralized 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