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

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Chapter 7. Virtual and Lookup Cubes

In this chapter, we will learn the definition and purpose of both virtual and lookup cubes in Cognos TM1 with regards to the current IBM Cognos TM1 Developer (Test COG-310) certification exam.

The current certification exam assigns a weightage of 10 percent to this topic.

TM1 cube types

There are four types of cubes in Cognos TM1. They are as follows:

  • Standard cubes
  • Control cubes
  • Virtual cubes
  • Lookup cubes
TM1 cube types
  • Virtual: This term has been defined in philosophy as that which is not real but may display the salient qualities of the real—Wikipedia.
  • Lookup: This term usually refers to searching a data structure for an item that ...

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