The decision support database query optimizer must be enhanced to support non-normalized structures.
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Q1: Creating a data warehouse is a simple
Q2: BI is a framework that allows a
Q4: Data warehouses usually have one fact table.
Q4: Normalizing fact tables improves data access performance
Q6: Monitoring results to evaluate outcomes of the
Q8: Operational data and decision support data serve
Q8: A data store is used by the
Q9: The BI architecture is composed of data,people,processes,technology,and
Q9: Decision support data are a snapshot of
Q10: Facts can be computed or derived at
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