Exercise: unions and joins

If you haven't done so yet, please download the workbook associated with this chapter from https://public.tableau.com/profile/marleen.meier and use the view data button to download the data.

Next, connect Tableau Prep with this dataset. 

  1. Use a Union on the two location and the two violation datasets by dragging them on top of each other:

  1. Check whether all fields match: 

In the preceding screenshot, you can see that on the left, you have information about the union, the inputs, and the associated colors (which ...

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