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Graphics Interchange Format  |  1996-11-15  |  38KB  |  345x292  |  4-bit (16 colors)
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OCR: multimillion-row cin to very large Customer dimension purchases fact table along with product, customer key store, and tinte name address more constant city, state demographic attributes birth date Income total purchases "hot"demographic number children attributes education Figure 1. Very large Customer dimensions may have one million to 100 million records. The Customer dimension is joined to an even larger fact table through the customer key. The customer attributes usually can be clumped into more or less constant values together with "hot" demographic values whose changes need to be tracked.