不过，具备数据仓库、ETL(提取-转换-装载)技术和XML知识对理解本系列文章有帮助。
However, prior knowledge of data warehousing, ETL (extract-transform-load) technology, and XML will help when reading this article series.
把一个对他们有帮助的文章链接发给他们。
Send them a link to an article that would really help them out.
如果这篇或者其他文章对你有帮助，请你告诉一个或更多人。
If this or any other articles have helped you in any way, please tell one (or many) people about us.
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