数据挖掘是信息提取的活动，其目标是发现隐藏的事实数据库。
Data mining is an information extraction activity whose goal is to discover hidden facts contained in databases.
数据保存在架构中心的单个事实数据表中而其他维度数据存储在维度表中的一种关系数据库结构。
A relational database structure in which data is maintained in a single fact table at the center of the schema with additional dimension data stored in dimension tables.
数据保存在架构中心的单个事实数据表中而其他维度数据存储在维度表中的一种关系数据库结构。
A relational database structure in which data is maintained in a single fact table at the center of the schema with additional dimension data stored in dimension tables.
应用推荐