Data Warehousing The extract process is which of the following? Capturing all of the data contained in various decision support systems Capturing a subset of the data contained in various decision support systems Capturing a subset of the data contained in various operational systems Capturing all of the data contained in various operational systems Capturing all of the data contained in various decision support systems Capturing a subset of the data contained in various decision support systems Capturing a subset of the data contained in various operational systems Capturing all of the data contained in various operational systems ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A data warehouse is which of the following? Contains numerous naming conventions and formats. Contains only current data. Organized around important subject areas. Can be updated by end users. Contains numerous naming conventions and formats. Contains only current data. Organized around important subject areas. Can be updated by end users. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A star schema has what type of relationship between a dimension and fact table? One-to-many One-to-one Many-to-many All of these One-to-many One-to-one Many-to-many All of these ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Reconciled data is which of the following? Data that has been selected and formatted for end-user support applications. Data stored in the various operational systems throughout the organization. Data stored in one operational system in the organization. Current data intended to be the single source for all decision support systems. Data that has been selected and formatted for end-user support applications. Data stored in the various operational systems throughout the organization. Data stored in one operational system in the organization. Current data intended to be the single source for all decision support systems. 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 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. A system that is used to support decision making and is based on historical data. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Joining is the process of partitioning data according to predefined criteria. True False True False ANSWER DOWNLOAD EXAMIANS APP