Data Warehousing The generic two-level data warehouse architecture includes which of the following? All of these At least one data mart Data that can extracted from numerous internal and external sources Near real-time updates All of these At least one data mart Data that can extracted from numerous internal and external sources Near real-time updates 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Most operational systems are based on the use of transient data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A goal of data mining includes which of the following? To analyze data for expected relationships To explain some observed event or condition To create a new data warehouse To confirm that data exists To analyze data for expected relationships To explain some observed event or condition To create a new data warehouse To confirm that data exists ANSWER DOWNLOAD EXAMIANS APP
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 Joining is the process of partitioning data according to predefined criteria. True False True False ANSWER DOWNLOAD EXAMIANS APP
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