Reference data is used to:参考数据用于:()?
(A)Enforce enterprise security standards实施企业安全标准
(B)Populate fact tables in a data mart填充数据集市中的事实表
(C)Categorize or classify data对数据进行分类或归类
(D)Describe backup strategies描述备份策略
(E)Remove duplicate customer records重复数据消除客户记录 答案解析: 参考数据,如地区等,某种意义上来说,是把事实数据按地区进行切片(或者说归类)
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