Book Image

Tableau Desktop Specialist Certification

By : Adam Mico
Book Image

Tableau Desktop Specialist Certification

By: Adam Mico

Overview of this book

The Tableau Desktop Specialist certification is fundamental for any data visualization professional who works in the field with Tableau. This book gets you started by covering the exam format, Tableau basics, and best practices for preparing data for analysis and visualization. It also builds on your knowledge of advanced Tableau topics to get you up to speed with the essential domains and domain objectives. Although the guide provides an outline and starting point to key in on what needs to be understood before the examination, it also delivers in context to give you a strong understanding of each piece before taking the exam. Instructions on how to get hands on with examples, a common data source, and suggested elements are also included. Understanding the concepts will not only assist you in passing the examination, but will also help you work effectively with the tool in your workspace. By the end of this book, you'll be able to efficiently prepare for the certification exam with the help of mock tests, detailed explanations, and expert advice from the author.
Table of Contents (17 chapters)
Part 1: Introduction to Tableau
Part 2: Mastering the Exam
Part 3: The Final Prep

Connecting to and Preparing Data

To develop a visualization, you need to have data to work with. Tableau Desktop accepts many data sources, including text, Excel, many types of databases, and Tableau-hosted data sources, to name a few, and offers a range of basic functions. This enables you to have a lot of data flexibility and not have to use a separate ETL tool in many instances to prepare data for your requirements.

In this chapter, you will learn when and how to apply live or extracted data, how to create live data connections and extracts, and how to store those data connections. Then, you will learn how to create joins, unions, and relationships in Tableau and how to apply them. Finally, you will grasp how to change a field name, add an alias, assign geography, and manage data types and properties.

In this chapter, we will cover the following topics:

  • Creating live data connections and extracts
  • Creating and managing the Tableau data model
  • Managing data properties...