Data Warehousing Derived data are detailed, current data intended to be the single, authoritative source for all decision support applications. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Most operational systems are based on the use of transient data. 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 A data warehouse is which of the following? Can be updated by end users. Contains only current data. Contains numerous naming conventions and formats. Organized around important subject areas. Can be updated by end users. Contains only current data. Contains numerous naming conventions and formats. Organized around important subject areas. 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
Data Warehousing Joining is the process of partitioning data according to predefined criteria. True False True False ANSWER DOWNLOAD EXAMIANS APP
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