The data mart shown in Figure 32.3 cannot support the analysis of media streaming according to the age of the member at the time of the streaming. Describe the changes necessary to the data mart to support this type of analysis.
What will be an ideal response?
Student should answer as follows:
The age in years of those streaming - requires that an age attribute is added to the fact table. The
member’s age at the time of the streaming could be calculate and stored in the fact table using the dob
and startDate attributes to calculate the member’s age in years.
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