All we are doing with data is from one single datasoure, which could be from oracle or sql server or a excel table, the issue is how could we combine these data from different data source with SQL?
Example: i need some data from Sale Table in Excel and some data from Custumer Table in oracle, how could SQL complete this mission? Solutions are welcomed and appreciated.
消息编辑者为：Datathinker from Raqsoft
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