data-cube

Data Warehousing - Cube Cuboids

╄→尐↘猪︶ㄣ 提交于 2019-12-25 18:32:09
问题 Consider a cube defined on the following dimension hierarchies: {customer < customer_street < customer_city < customer_state} {supplier < supplier_city < supplier_state} {day < month < quarter < year} {product < product_line < product_category} The number of cuboids that contain the supplier and quarter attributes is: (a) 96 (b) 12 (c) 20 (d) 144 What is the answer and why? 来源: https://stackoverflow.com/questions/59297050/data-warehousing-cube-cuboids