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IBM Cognos TM1 Developer's Certification Guide by James D. Miller

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More on data sources

It is important to understand the practical uses of a data source in a TI function. For example, it is common to define versions of views (say a forecast) and then perform operations with them. Let us look at an example. If a TM1 model utilized a reporting cube and each month the working version needed to be copied to that cube, a developer could easily define a view of the working forecast and set up a simple TI process to use that view as its data source to copy (write) it to the reporting cube.

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