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Which of these two calculations is the most performant in achieving the highlighted row? Explain

Table CalculationLevel-of-detail Expression



Code Block
languagesql
Window_Sum(Sum(Sales))




Code Block
languagesql
Sum({Fixed Segment, Category : Sum(Sales)})


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Note

The version 2020.2 changes to the Tableau data model have superseded this, but this it is still pertinent to for a Tableau developer to understand this


Consider this ER diagram:

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