Research on OLAP in the Data Warehouse

With the development of data warehouse and online analytical processing(OLAP) technology,multi-dimensional data query and analysis have been widely applied in business,financial,and military and other fields of information processing,providing a powerful support for decision analysis of the industry.In this paper,the Related Concepts of the data warehouse and online analytical processing were introduced,and the multi-dimensional data model and core technologies were analyzed and summarized.