Data Warehousing Every key used to join the fact table with a dimensional table should be a surrogate key. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data scrubbing can help upgrade data quality; it is not a long-term solution to the data quality problem. False True False True 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 one operational system in the organization. Data stored in the various operational systems throughout 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 one operational system in the organization. Data stored in the various operational systems throughout the organization. Current data intended to be the single source for all decision support systems. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Transient data is which of the following? Data that are never deleted once they have been added Data in which changes to existing records do not cause the previous version of the records to be eliminated 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 that are never deleted once they have been added Data in which changes to existing records do not cause the previous version of the records to be eliminated 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 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 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. A system that is used to support decision making and is based on current data. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Star schema is suited to online transaction processing, and therefore is generally used in operational systems, operational data stores, or an EDW. True False True False ANSWER DOWNLOAD EXAMIANS APP
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