Book Image

Getting Started with Tableau 2018.x

By : Tristan Guillevin
Book Image

Getting Started with Tableau 2018.x

By: Tristan Guillevin

Overview of this book

Tableau is one of the leading business intelligence tools used worldwide, in organizations of every scale. In its latest release, Tableau 2018 promises richer and more useful features related to visual analytics, reporting, dashboarding, and a host of other data visualization aspects. Getting Started with Tableau 2018.x will get you up and running with these features. The book starts with all the new functionalities of the different Tableau 2018 versions, along with concrete examples of how to use them. However, if you're new to Tableau, don't worry! The rest of the book will guide you through each major aspect of Tableau with examples. You'll learn how to connect to data, build a data source, visualize your data, build a dashboard, and share it online. In the final chapters, you'll also learn advanced techniques such as creating a cross-database join, data blending, and more. By the end of the book, you will have a firm understanding of how to effectively use Tableau to create quick, cost-effective, and business-efficient business intelligence solutions.
Table of Contents (21 chapters)
Title Page
Copyright and Credits
Packt Upsell
Contributors
Preface
Free Chapter
1
Catching Up with Tableau 2018
Index

Cross-database Join


In Chapter 1Catching Up with Tableau 2018, about data connection, you saw how to create joins between different Tables of the same dataset. With cross-database Joins, you can create joins between different tables from different connections of different types. It's a great way to add new dimensions to your analysis.

Note

You can't use all the different types of connections in a cross-database Join. A published Data Source, for example, can't be joined.

As an example, let's create a join between Sample-Superstore and another Excel File, Reimbursement, containing the reimbursed orders.

Note

To reproduce the following example, you need to download the Reimbursement Excel file available on the website, book.ladataviz.com, in theChapter 12section, or use this link: https://ladataviz.com/wp-content/uploads/2018/09/Reimbursement.xlsx.

Here's what the Reimbursement table contains:

Here's how to create a cross-database Join between those two files:

  1. Open Tableau, and click on the saved...