Data Warehousing Data in the data warehouse are loaded and refreshed from operational systems. 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
Data Warehousing The role of the ETL process is to identify erroneous data and to fix them. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The generic two-level data warehouse architecture includes which of the following? At least one data mart Data that can extracted from numerous internal and external sources All of these Near real-time updates At least one data mart Data that can extracted from numerous internal and external sources All of these Near real-time updates ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data transformation includes which of the following? Separating data from one source into various sources of data A process to change data from a summary level to a detailed level A process to change data from a detailed level to a summary 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 summary level to a detailed level A process to change data from a detailed level to a summary level Joining data from one source into various sources of data ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A multifield transformation does which of the following? Converts data from multiple fields into multiple fields Converts data from one field into multiple fields Converts data from multiple fields into one field All of these Converts data from multiple fields into multiple fields Converts data from one field into multiple fields Converts data from multiple fields into one field All of these ANSWER DOWNLOAD EXAMIANS APP
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