Data Warehousing Every key used to join the fact table with a dimensional table should be a surrogate key. 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A data warehouse is which of the following? Organized around important subject areas. Contains numerous naming conventions and formats. Contains only current data. Can be updated by end users. Organized around important subject areas. Contains numerous naming conventions and formats. Contains only current data. Can be updated by end users. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The extract process is which of the following? Capturing all of the data contained in various decision support systems Capturing a subset of the data contained in various decision support systems Capturing all of the data contained in various operational systems Capturing a subset of the data contained in various operational systems Capturing all of the data contained in various decision support systems Capturing a subset of the data contained in various decision support systems Capturing all of the data contained in various operational systems Capturing a subset of the data contained in various operational systems ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Independent data marts are often created because an organization focuses on a series of short-term business objectives. True False True False 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. True False True False ANSWER DOWNLOAD EXAMIANS APP