星型雪花型结构的实例-数据挖掘技术及应用

时间:2024-05-15 10:17:30
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文件名称:星型雪花型结构的实例-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

星型雪花型结构的实例 Sales Fact Table time_key item_key branch_key location_key units_sold dollars_sold avg_sales Measures Shipping Fact Table time_key item_key shipper_key from_location to_location dollars_cost units_shipped time_key day day_of_the_week month quarter year time location_key street city province_or_street country location item_key item_name brand type supplier_type item branch_key branch_name branch_type branch shipper_key shipper_name location_key shipper_type shipper


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