不幸的是，SAP本身也没有以身作则，提供良好的数据仓库结构。
Unfortunately SAP does not provide many examples of good data warehousing structures either.
确定了公交IC卡数据仓库结构，给出了明确的系统构架，阐述了IC卡外部数据源预处理过程。
The structure of bus IC card data warehouse is identified and the clear system architecture is given. The procedure of original data processing is stated in detail.
用于创建物理数据模型的图形化工具，DB 2基于SQL的数据仓库结构数据流，以及olap多维数据集模型。
Graphical tool for creating physical data models, DB2 SQL-based warehouse construction data flows, and OLAP cube models.
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