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
Data Warehousing Successful data warehousing requires that a formal program in total quality management (TQM) be implemented. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A goal of data mining includes which of the following? To confirm that data exists To create a new data warehouse To analyze data for expected relationships To explain some observed event or condition To confirm that data exists To create a new data warehouse To analyze data for expected relationships To explain some observed event or condition 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 A star schema has what type of relationship between a dimension and fact table? Many-to-many One-to-many All of these One-to-one Many-to-many One-to-many All of these One-to-one ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Reconciled data is which of the following? Data stored in one operational system in the organization. Current data intended to be the single source for all decision support systems. Data stored in the various operational systems throughout the organization. Data that has been selected and formatted for end-user support applications. Data stored in one operational system in the organization. Current data intended to be the single source for all decision support systems. Data stored in the various operational systems throughout the organization. Data that has been selected and formatted for end-user support applications. ANSWER DOWNLOAD EXAMIANS APP
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