Data Warehousing Data in the data warehouse are loaded and refreshed from operational systems. True False True False 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 Data transformation includes which of the following? A process to change data from a detailed level to a summary level A process to change data from a summary level to a detailed 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 detailed level to a summary level A process to change data from a summary level to a detailed level Joining data from one source into various sources of data Separating data from one source into various sources of data ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Derived data are detailed, current data intended to be the single, authoritative source for all decision support applications. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A data warehouse is which of the following? Can be updated by end users. Organized around important subject areas. Contains only current data. Contains numerous naming conventions and formats. Can be updated by end users. Organized around important subject areas. Contains only current data. Contains numerous naming conventions and formats. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A snowflake schema is which of the following types of tables? All of these Helper Dimension Fact All of these Helper Dimension Fact ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS