Mastering Tableau 2018.1, Second Edition 4.2: Data Blending with Tableau

The video tutorial explains how to merge data from different sources using data blending in Tableau. It covers connecting Excel and CSV files, performing data blending, and analyzing the results. The tutorial also discusses the advantages and disadvantages of data blending, such as quick insights and potential performance issues. Finally, it previews the next video, which will focus on data merging and union techniques.

What is the primary purpose of data blending in Tableau?

• To merge data from different sources into one workbook

• To create new data sources

• To format data for presentation

• To delete unnecessary data

Which dataset is used in the video to demonstrate connecting to data sources in Tableau?

• Global Superstore

• Sample Superstore

• Retail Store

• Online Store

In Tableau, what is the purpose of creating a relationship between different data sources?

• To join data based on specific dimensions

• To export data to Excel

• To perform calculations

• To delete duplicate data

How does Tableau indicate a secondary data source in a worksheet?

• With an orange tick mark

• With a green circle

• With a blue check mark

• With a red cross

What is a potential disadvantage of data blending in Tableau?

• It requires no setup

• It only works with CSV files

• It can cause data duplication

• It is too fast

What is one advantage of data blending in Tableau?

• It only works with SQL databases

• It allows quick insights from multiple data sources

• It is complex to set up

• It is very slow

What can be done to improve performance when using multiple data sources in Tableau?

• Use only one data source

• Combine data sources outside Tableau

• Increase the number of data sources

• Use smaller datasets