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 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 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 The role of the ETL process is to identify erroneous data and to fix them. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A star schema has what type of relationship between a dimension and fact table? Many-to-many One-to-many All of these One-to-one Many-to-many One-to-many All of these One-to-one ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Both status data and event data can be stored in a database. False True False True ANSWER DOWNLOAD EXAMIANS APP
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