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 The extract process is which of the following? Capturing all of the data contained in various operational systems Capturing a subset of the data contained in various operational systems Capturing a subset of the data contained in various decision support systems Capturing all of the data contained in various decision support systems Capturing all of the data contained in various operational systems Capturing a subset of the data contained in various operational systems Capturing a subset of the data contained in various decision support systems Capturing all of the data contained in various decision support systems ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Static extract is used for ongoing warehouse maintenance. 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 Periodic data are data that are physically altered once added to the store. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing An operational system is which of the following? 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. 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. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS