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 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 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 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 run the business in real time and is based on historical data. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Reconciled data is which of the following? Data stored in one operational system in the organization. Current data intended to be the single source for all decision support systems. Data stored in the various operational systems throughout the organization. Data that has been selected and formatted for end-user support applications. Data stored in one operational system in the organization. Current data intended to be the single source for all decision support systems. Data stored in the various operational systems throughout the organization. Data that has been selected and formatted for end-user support applications. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A goal of data mining includes which of the following? To create a new data warehouse To confirm that data exists To analyze data for expected relationships To explain some observed event or condition To create a new data warehouse To confirm that data exists To analyze data for expected relationships To explain some observed event or condition ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A data warehouse is which of the following? Can be updated by end users. Contains only current data. Organized around important subject areas. Contains numerous naming conventions and formats. Can be updated by end users. Contains only current data. Organized around important subject areas. Contains numerous naming conventions and formats. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data transformation includes which of the following? A process to change data from a summary level to a detailed level Separating data from one source into various sources of data A process to change data from a detailed level to a summary level Joining data from one source into various sources of data A process to change data from a summary level to a detailed level Separating data from one source into various sources of data 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 The generic two-level data warehouse architecture includes which of the following? All of these Data that can extracted from numerous internal and external sources At least one data mart Near real-time updates All of these Data that can extracted from numerous internal and external sources At least one data mart Near real-time updates ANSWER DOWNLOAD EXAMIANS APP
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