文档介绍：The Building of Data Warehouse Based on the Existing
Systems of Enterprises*
Jianhua FENG, Huimin LAI, Kewen WANG, Lizhu ZHOU
Department puter Science and Technology, Tsinghua University Beijing, 100084
E-mail: ******@tsinghua.
Abstract time.
It is currently proved difficult to build a data The generation and development of any
sadwarehouse based on the existing systems of technology are driven by some requirements, and the
enterprises. In this paper, we first introduce the data warehouse is of no exception. In the past several
establishment of data warehouse based on the decades, database technology, especially OLTP, has
existing systems of enterprises. Then we describe served enterprises, government departments, banks,
in detail all steps to build a data warehouse and the business agencies and various anizations. At
feedback loop between data designers and end this stage, the main function of database is to store
users. In the last part, we present a tool for the records produced by the current transaction duly and
building of a data warehouse. safely. Meanwhile, the development of database
technology has resulted in the generation of Decision
Keywords Support System (DSS). In the early days, designers of
data warehouse, building plan, feedback loop, DSS often resort to database to build their systems. But
script many unconquerable e out gra