Once data enter the data warehouse,they are never removed.
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Q2: Data warehouse data are organized and summarized
Q5: The data warehouse development life cycle differs
Q6: In the prognosis phase, the data-mining findings
Q9: Decision support data are a snapshot of
Q13: MDM's main goal is to provide a
Q13: Queries against operational data typically are broad
Q14: To tie a KPI to the strategic
Q15: The data warehouse designer must define common
Q18: Periodicity,usually expressed as current year only,previous years,or
Q20: SAP is a portal vendor.
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