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Getting Started with Tableau 2019.2

Getting Started with Tableau 2019.2

By : Tristan Guillevin
5 (2)
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Getting Started with Tableau 2019.2

Getting Started with Tableau 2019.2

5 (2)
By: Tristan Guillevin

Overview of this book

Tableau is one of the leading data visualization tools and is regularly updated with new functionalities and features. The latest release, Tableau 2019.2, promises new and advanced features related to visual analytics, reporting, dashboarding, and a host of other data visualization aspects. Getting Started with Tableau 2019.2 will get you up to speed with these additional functionalities. The book starts by highlighting the new functionalities of Tableau 2019.2, providing concrete examples of how to use them. However, if you're new to Tableau, you won't have to worry as the book also covers the major aspects of Tableau with relevant examples. You'll learn how to connect to data, build a data source, visualize your data, build a dashboard, and even share data online. In the concluding chapters, you'll delve into advanced techniques such as creating a cross-database join and data blending. By the end of this book, you will be able to use Tableau effectively to create quick, cost-effective, and business-efficient Business Intelligence (BI) solutions.
Table of Contents (16 chapters)
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15
Index

Wildcard union

The first time you saw how to create unions, you had to select the different tables of the dataset that you wanted to use manually. Wildcard unions allow you to create more powerful unions that automatically add all the files and all the tables that match a specific pattern. This kind of union is convenient because you don't have to add the new tables manually; you only need to refresh the data source.

As an example of a wildcard union, I am going to split the Sample-Superstore Excel file into four Excel files, one for each year, and put them in a folder named Sales.

Note

To reproduce the following example, you need to download the Sales.zip file from https://tableau2019.ladataviz.com, in the Chapter 11: Advanced Data Connections section, or use this link: https://ladataviz.com/wp-content/uploads/2018/09/Sales.zip.

Let's union those files:

  1. First, unzip the Sales.zip file you've just downloaded.
  2. Open Tableau Desktop and chose Microsoft Excel from the list of...
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