文件名称：雪花结构的实例-数据挖掘技术及应用
文件大小：9.29MB
文件格式：PPT
更新时间：2024-05-15 10:17:30
数据挖掘
雪花结构的实例 Sales Fact Table time_key item_key branch_key location_key units_sold dollars_sold avg_sales Measures time_key day day_of_the_week month quarter year time location_key street city_key location item_key item_name brand type supplier_key item branch_key branch_name branch_type branch supplier_key supplier_type supplier city_key city province_or_street country city