INSPECTING THE DATA
Your goal is, of course, to bring all the different tables together. Before you do that, you should check whether the data is in the same format and whether there are any other issues that you need to address.
By clicking each of the input steps, you can get more information about the data behind it from the summary table in the bottom panel. When you look at it, you may decide, for example, that some of the fields are superfluous and can be removed. Other fields may have been assigned the wrong data type, which is something that needs to be corrected.
We have already examined the input step for orders_south_
. So, you can go to the newly added input steps to check whether the data has...