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 Data in the data warehouse are loaded and refreshed from operational systems. 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 The generic two-level data warehouse architecture includes which of the following? At least one data mart All of these Near real-time updates Data that can extracted from numerous internal and external sources At least one data mart All of these Near real-time updates Data that can extracted from numerous internal and external sources ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A multifield transformation does which of the following? Converts data from one field into multiple fields Converts data from multiple fields into one field All of these Converts data from multiple fields into multiple fields Converts data from one field into multiple fields Converts data from multiple fields into one field All of these Converts data from multiple fields into multiple fields ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Fact tables are which of the following? Completely normalized Completely denoralized Partially denoralized Partially normalized Completely normalized Completely denoralized Partially denoralized Partially normalized ANSWER DOWNLOAD EXAMIANS APP