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Bordeaux: Business Intelligence - Case Exercise – Dimensional Modeling You are to construct a star schema for Simplified Automobile Insurance Company. The relevant dimensions, dimension attributes, and dimension sizes are as follows: InsuredParty Attributes: InsuredPartyID and Name. There is an average of two insured parties for each policy and covered item. CoverageItem Attributes: CoverageKey and Description. There is an average of 10 covered items per policy. Agent Attributes: AgentID and AgentName. There is one agent for each policy and covered item. Policy Attributes: PolicyID and Type. The company has approximately 1 million policies at the present time. Period Attributes: DateKey and FiscalPeriod Facts to be recorded for each combination of these dimensions are PolicyPremium, Deductible, and NumberOfTransactions in 60 months. a. Design a star schema to track the frequency of changes to policies. b. Estimate the number of rows in the fact table, using the assumptions stated previously.
