Figure 10-38: Denormalized musicians, bands, their online advertisements, and (My space web page)
Friday, November 30th, 2007Figure 10-38: Denormalized musicians, bands, their online advertisements, and some other goodies. Figure 10-38 is a partially complete data warehouse database model, with all the facts rolled into a single table. Figure 10-39 shows a finalized, much more sensible star schema, based purely on relative record numbers in various tables from Figure 10-39. Larger record numbers tend to warrant tables as being factual rather than dimensional in nature. Artists artist_id musician_id (FK) musician_name musician_phone musician_email band_name band_founding_date discography_cd_name discography_release_date discography_price show_date show_time venue_name venue_address venue_directions venue_phone advertisment_date advertisement_text Musician musician_id instruments skills Merchandise merchandise_id type price Band genre 315 Creating and Refining Tables During the Design Phase
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