ocr: customer aimension jontolarge purchases.facttable customer key: one address ckty state birth: date Demographics. cimension jointo large. table purchases: factt demograptics key Income band purchasest band numberchildren educationlevel Figure 2. Tot track the changing demographic values, the Customer dimension is-split into two dimensions. The . "hot" values are first banded into discrete values, and then are presented as a separate Demographics dimension. This dimension requires the creation of a new artificial key.
