DEFINITION: A data cube is a type of multidimensional matrix that lets users explore and analyze a collection of data from many different perspectives, usually considering three factors (dimensions) at a time.
DEFINITION: A data cube is a type of multidimensional matrix that lets users explore and analyze a collection of data from many different perspectives, usually considering three factors (dimensions) at a time.
定义：数据立方体是一类多维矩阵，让用户从多个角度探索和分析数据集，通常是一次同时考虑三个因素（维度）。