Data Warehousing Transient data is which of the following? Data that are never deleted once they have been added Data that are never altered or deleted once they have been added Data in which changes to existing records cause the previous version of the records to be eliminated Data in which changes to existing records do not cause the previous version of the records to be eliminated Data that are never deleted once they have been added Data that are never altered or deleted once they have been added Data in which changes to existing records cause the previous version of the records to be eliminated Data in which changes to existing records do not cause the previous version of the records to be eliminated ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The generic two-level data warehouse architecture includes which of the following? 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 At least one data mart ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A data warehouse is which of the following? Organized around important subject areas. Contains only current data. Contains numerous naming conventions and formats. Can be updated by end users. Organized around important subject areas. Contains only current data. Contains numerous naming conventions and formats. Can be updated by end users. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The extract process is which of the following? 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 Capturing all of the data contained in various 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 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. A system that is used to support decision making and is based on current data. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Periodic data are data that are physically altered once added to the store. True False True False ANSWER DOWNLOAD EXAMIANS APP
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