Data Warehousing Star schema is suited to online transaction processing, and therefore is generally used in operational systems, operational data stores, or an EDW. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A data mart is designed to optimize the performance for well-defined and predicable uses. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Fact tables are which of the following? Completely normalized Partially denoralized Completely denoralized Partially normalized Completely normalized Partially denoralized Completely denoralized Partially normalized 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 An operational system is which of the following? A system that is used to support decision making 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 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 support decision making 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 current data. A system that is used to run the business in real time and is based on historical data. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A multifield transformation does which of the following? Converts data from multiple fields into one field Converts data from multiple fields into multiple fields Converts data from one field into multiple fields All of these Converts data from multiple fields into one field Converts data from multiple fields into multiple fields Converts data from one field into multiple fields All of these ANSWER DOWNLOAD EXAMIANS APP