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

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Reporting with virtual cubes

Another area where you can benefit from virtual cubes is with reporting. Some Cognos TM1 cubes may be very complicated, large, or have intensive rule calculations. In other examples, data required for a report may be sourced from multiple cubes. In these cases, specific end user reporting may become difficult (especially for the more casual TM1 user) or somewhat slow. Defining several specific reporting virtual cubes—based upon unique views of the larger cube or cubes—can be a solution:

Reporting with virtual cubes

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