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Graphics Interchange Format  |  1998-02-10  |  46.8 KB  |  342x329  |  4-bit (16 colors)
   ocr: CoverageTable Date: dimension Date key Product. key Product Store dimension Store. key clmension Promo key Promotion cmension Sales FactTable Date Date key dimension Froductkey Product Store dimension Store: Promokey key dimension Promotion dimension Doliars sold Units sold Dollar cost. Customer count Figurs2.A A factless coverage table usedin.conjunction with an ordinary sales fact table to answer the question, "Which products were on promotion that did not sell?"