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數(shù)據(jù)倉庫開發(fā)模型ppt課件(編輯修改稿)

2025-05-27 18:24 本頁面
 

【文章內容簡介】 _keydayday_of_the_weekmonthquarteryeartimelocation_keystreetcity_keylocationSales Fact Table time_key item_key branch_key location_key units_sold dollars_sold avg_salesMeasuresitem_keyitem_namebrandtypesupplier_keyitembranch_keybranch_namebranch_typebranchsupplier_keysupplier_typesuppliercity_keycitystate_or_provincecountrycity16time_keydayday_of_the_weekmonthquarteryeartimelocation_keystreetcityprovince_or_statecountrylocationSales Fact Tabletime_key item_key branch_key location_key units_sold dollars_sold avg_salesMeasuresitem_keyitem_namebrandtypesupplier_typeitembranch_keybranch_namebranch_typebranchShipping Fact Tabletime_key item_key shipper_key from_location to_location dollars_cost units_shippedshipper_keyshipper_namelocation_keyshipper_typeshipper167。 舉例: SQL SERVER ANALYSIS 2022 數(shù)據(jù)倉庫的邏輯模型167。 中間層數(shù)據(jù)模型亦可稱為邏輯模型,它是對高層數(shù)據(jù)概念模型的細分,在高層數(shù)據(jù)模型中所標識的每個主題域或指標實
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