Data Warehousing Transient data is which of the following? 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 altered or deleted once they have been added Data that are never 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 altered or deleted once they have been added Data that are never deleted once they have been added ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Periodic data are data that are physically altered once added to the store. False True False True 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
Data Warehousing Data in the data warehouse are loaded and refreshed from operational systems. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Reconciled data is which of the following? Data stored in one operational system in the organization. Data stored in the various operational systems throughout the organization. Data that has been selected and formatted for end-user support applications. Current data intended to be the single source for all decision support systems. Data stored in one operational system in the organization. Data stored in the various operational systems throughout the organization. Data that has been selected and formatted for end-user support applications. Current data intended to be the single source for all decision support systems. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Fact tables are which of the following? Completely denoralized Partially denoralized Completely normalized Partially normalized Completely denoralized Partially denoralized Completely normalized Partially normalized ANSWER DOWNLOAD EXAMIANS APP
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