【摘要】 简要介绍了OLAP技术的由来及3种常用的OLAP多维数据模型,同时围绕在实际OLAP多维建模中存在的存储空间和性能之间的问题,阐述了用雪花型结构来解决的具体过程。更多还原

【Abstract】 This paper briefly introduces the origin of OLAP technique and three kinds of common OLAP multidimensional data models, and around the problems between the storage space and the performance existing in actual OLAP multidimensional modeling, expounds the concrete procedures of solving these problems by using the snowflake model.更多还原