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 Both status data and event data can be stored in a database. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Transient data is which of the following? Data that are never altered or deleted once they have been added Data that are never deleted once they have been added Data in which changes to existing records do not cause the previous version of the records to be eliminated Data in which changes to existing records cause the previous version of the records to be eliminated Data that are never altered or deleted once they have been added Data that are never deleted once they have been added Data in which changes to existing records do not cause the previous version of the records to be eliminated Data in which changes to existing records cause the previous version of the records to be eliminated ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The generic two-level data warehouse architecture includes which of the following? 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 At least one data mart All of these Near real-time updates ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Derived data are detailed, current data intended to be the single, authoritative source for all decision support applications. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The role of the ETL process is to identify erroneous data and to fix them. True False True False ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS