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 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 data warehouse is which of the following? Can be updated by end users. Contains numerous naming conventions and formats. Contains only current data. Organized around important subject areas. Can be updated by end users. Contains numerous naming conventions and formats. Contains only current data. Organized around important subject areas. 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 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 Fact tables are which of the following? Completely normalized Partially denoralized Partially normalized Completely denoralized Completely normalized Partially denoralized Partially normalized Completely denoralized ANSWER DOWNLOAD EXAMIANS APP
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