Questions and Answers
What is one reason why dimensional models that cross processes are more challenging to implement?
The ETL effort increases with each additional major source integrated
Why is it recommended to focus on individual processes before consolidating them into a single-dimensional model?
To avoid drowning in revenue and cost components
In a profitability dimensional model, what does the consolidation of separate revenue and cost factors aim to achieve?
To provide a complete view of profitability
What purpose does shading or marking 'X' on cells in a bus matrix serve?
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Why is it mentioned that in some industries like insurance, there tend to be more columns than rows in the bus matrix?
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What is one of the challenges associated with implementing dimensional models that cross processes?
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Why is it advised not to attempt implementing a granular profitability dimensional model as the first-dimensional model?
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Why is it beneficial to create a list of core dimensions before filling in the bus matrix?
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What does shading or marking 'X' on the cells of a bus matrix help in visualizing?
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Why does the number of bus matrix rows and columns vary by organization?
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