This data warehouse model which we attempt to finish, can be divided into ETL(data collection(Extract), change(Transforms), wash(Cleaning), the course loaded(Load). ) DW(data warehouse), three parts of DM(the data are excavated).

• 我们试图完成的这个数据仓库模型,可以分为ETL(数据抽取(Extract)、转换(Transform)、清洗(cleaning)和转载(Loading)的过程)、DW(数据仓库)、OLAP分析等几个部分。