Data Warehousing The generic two-level data warehouse architecture includes which of the following? Data that can extracted from numerous internal and external sources Near real-time updates At least one data mart All of these Data that can extracted from numerous internal and external sources Near real-time updates At least one data mart All of these ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data in operational systems are typically fragmented and inconsistent. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A data warehouse is which of the following? 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. Can be updated by end users. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data scrubbing can help upgrade data quality; it is not a long-term solution to the data quality problem. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Fact tables are which of the following? Completely normalized Partially denoralized Partially normalized Completely denoralized Completely normalized Partially denoralized Partially normalized Completely denoralized 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