Data Warehousing Data transformation includes which of the following? A process to change data from a detailed level to a summary level Joining data from one source into various sources of data Separating data from one source into various sources of data A process to change data from a summary level to a detailed level A process to change data from a detailed level to a summary level Joining data from one source into various sources of data Separating data from one source into various sources of data A process to change data from a summary level to a detailed level ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Reconciled data is which of the following? Data stored in the various operational systems throughout the organization. Current data intended to be the single source for all decision support systems. Data stored in one operational system in the organization. Data that has been selected and formatted for end-user support applications. Data stored in the various operational systems throughout the organization. Current data intended to be the single source for all decision support systems. Data stored in one operational system in the organization. Data that has been selected and formatted for end-user support applications. 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
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 A data mart is designed to optimize the performance for well-defined and predicable uses. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Fact tables are which of the following? Completely denoralized Completely normalized Partially denoralized Partially normalized Completely denoralized Completely normalized Partially denoralized Partially normalized ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS