A star schema is designed to optimize data query operations rather than data update operations.
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Q14: The CUBE extension enables you to get
Q15: Relational data warehouses use the star schema
Q16: ROLAP and MOLAP vendors are working toward
Q17: Business intelligence (BI) architecture is composed of
Q18: Periodicity, usually expressed as current year only,
Q20: A data store is used by data
Q21: _ provide a unified, single point of
Q22: The attribute hierarchy provides a top-down data
Q23: The _ schema must support complex (non-normalized)
Q24: Operational data are commonly stored in many
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