On the basis of this DW, we concentratively practice the incremental maintenance using several methods, which include time badge method and Oracle transparent gateway CDC method.

• 并在此数据仓库的基础上,集中探讨了数据仓库增量更新的方法,进行了时间戳、通过Oracle 透明网关对SQL Server 数据仓库进行CDC更新的实践。