Data Warehousing Data in the data warehouse are loaded and refreshed from operational systems. False True False True 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
Data Warehousing The extract process is which of the following? Capturing a subset of the data contained in various decision support systems Capturing a subset of the data contained in various operational systems Capturing all 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 a subset of the data contained in various operational systems Capturing all of the data contained in various operational systems Capturing all of the data contained in various decision support systems 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
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
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
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