Design and implementation of data warehouse in business intelligence system
ZHENG Yan, SHAO Dinghong (College of Inf. Sci.&Eng., Nanjing Univ. of Tech., Nanjing Jiangsu 210009, China)
Based on analyzing the character of data warehouse technology, the design method and the content of data warehouse in business intelligence system are expounded, including data-driven method combined with demand-driven, design flow of data modeling, and method of data extraction, transformation and load (ETL). An application of data modeling and loading is given.