Mastering Tableau 2018.1, Second Edition 4.3: Combining Your Data with Union

What is the purpose of using Union in data merging?

Describe the first scenario for merging data sources mentioned in the text.

What happens to the number of rows when data sources are duplicated?

Explain how to merge two different Excel workbooks or CSV files using Union.

What is the significance of the wildcard characters in the data merging process?

How can you confirm the number of rows after merging data sources?

What are the potential outcomes of merging data from multiple sources in Tableau?