Data Warehousing The @active data warehouse architecture includes which of the following? Near real-time updates Data that can extracted from numerous internal and external sources All of these At least one data mart Near real-time updates Data that can extracted from numerous internal and external sources All of these At least one data mart 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 current 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 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 current 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 historical data. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A data warehouse is which of the following? Organized around important subject areas. Can be updated by end users. Contains only current data. Contains numerous naming conventions and formats. Organized around important subject areas. Can be updated by end users. Contains only current data. Contains numerous naming conventions and formats. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data in operational systems are typically fragmented and inconsistent. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A star schema has what type of relationship between a dimension and fact table? One-to-many All of these One-to-one Many-to-many One-to-many All of these One-to-one Many-to-many 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