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 Data scrubbing is which of the following? A process to upgrade the quality of data after it is moved into a data warehouse A process to load the data in the data warehouse and to create the necessary indexes A process to upgrade the quality of data before it is moved into a data warehouse A process to reject data from the data warehouse and to create the necessary indexes A process to upgrade the quality of data after it is moved into a data warehouse A process to load the data in the data warehouse and to create the necessary indexes A process to upgrade the quality of data before it is moved into a data warehouse A process to reject data from the data warehouse and to create the necessary indexes 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 @active data warehouse architecture includes which of the following? 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 At least one data mart 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 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
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