Data Warehousing Periodic data are data that are physically altered once added to the store. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Every key used to join the fact table with a dimensional table should be a surrogate key. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A multifield transformation does which of the following? All of these Converts data from multiple fields into one field Converts data from multiple fields into multiple fields Converts data from one field into multiple fields All of these Converts data from multiple fields into one field Converts data from multiple fields into multiple fields Converts data from one field into multiple fields 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
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 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