开放获取期刊获得更多读者和引用
700 种期刊 和 15,000,000 名读者 每份期刊 获得 25,000 多名读者
Sweety Patel
In real world, different data warehouse systems have different structures. Some content multiple data mart, while some contain ODS (operational data sources). Some contain small of data sources while other contain many no of data stores. Data Warehouse system have some of the layer in general form of its architecture here discussion is done on different architecture of is Data Warehouse and how they are selected.