摘要:代码Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->select b.[value] from sys.columns a left join sys.
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摘要:1. What is a logical data mapping and what does it mean to the ETL team? 什么是逻辑数据映射?它对ETL项目组的作用是什么? 答:逻辑数据映射(Logical Data Map)用来描述源系统的数据定义、目标数据仓库的模型以及将
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