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Graphics Interchange Format  |  1998-02-10  |  42.2 KB  |  339x340  |  4-bit (16 colors)
   ocr: invoice Line Item Factlable Time dimension imez key Customer key Customer dimension Product dimension Product key Promotion: key Promotion.dimension Shipper dimension Shipper_key Status key Status dimension invoice: Number Units Dollars Betore: Discount Discount Dollars After Discount Dollar Cost igure 1. A Customer invoices Data Mart. Each record in this fact table represents an invoice line tem. The Invoice Number is a "degen- erate" - dimension that allows line items on a particular invoice to be grouped.