Hello ZZ, Thanks a lot for the detailed explaination. Suppose i am using X,Y and Z tables in a data source and joined X with Y and Z. What would be the scenario?
and In the calculated field what would be the logic? And what about if i display category as well as subcategory.
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You can union your table first and then join
Tableau will generate table name for each of the data source.
In terms of how to update the calculation, it will depends on your case, but you can always conditionally sum up value based on the table names.
Hope this helps