Tableau Desktop Specialist · Free Practice Question Medium
Question 3
What is the one critical difference between normal calculated fields, and the calculated fields created after Data blending?
-
A
The calculated fields created in Blends cannot be edited once created
-
B
No difference, calculated fields cannot be created in Blends
-
C
Fields used in Blends must first be aggregated
-
D
The calculated fields created in Blends cannot use more than 2 fields
Reveal correct answer
Correct answer: C
Explanation
Yes, due to the nature of blends, there are some conditions as follows from the official documentation that must be kept in mind while working with blends:


In addition to handling calculations slightly differently, there are some limitations on secondary data sources. You may not be able to sort by a field from a secondary data source, and action filters may not work as expected with blended data. For more information, see Other data blending issues.
Reference: https://help.tableau.com/current/pro/desktop/en-us/multiple_connections.htm
Discussion
Think the marked answer is wrong, or have a better explanation? Share it below — comments appear after review.
