TDWI CBIP Practice Questions - Certified Business Intelligence Professional Exam

In Ralph Kimball's dimensional modeling, what does the term 'grain' of a fact table refer to?

The level of detail represented by a single row in the fact table The number of foreign keys connecting to dimension tables The physical storage block size used by the database engine The granularity of access permissions granted to BI users

Correct Answer:

The level of detail represented by a single row in the fact table

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