Book Image

Tableau Certified Data Analyst Certification Guide

By : Mr. Harry Cooney, Mr. Daisy Jones
Book Image

Tableau Certified Data Analyst Certification Guide

By: Mr. Harry Cooney, Mr. Daisy Jones

Overview of this book

The Tableau Certified Data Analyst certification validates the essential skills needed to explore, analyze, and present data, propelling your career in data analytics. Whether you're a seasoned Tableau user or just starting out, this comprehensive resource is your roadmap to mastering Tableau and achieving certification success. The book begins by exploring the fundamentals of data analysis, from connecting to various data sources to transforming and cleaning data for meaningful insights. With practical exercises and realistic mock exams, you'll gain hands-on experience that reinforces your understanding of Tableau concepts and prepares you for the challenges of the certification exam. As you progress, expert guidance and clear explanations make it easy to navigate complex topics as each chapter builds upon the last, providing a seamless learning experience—from creating impactful visualizations to managing content on Tableau Cloud. Written by a team of experts, this Tableau book not only helps you pass the certification exam but also equips you with the skills and confidence needed to excel in your career. It is an indispensable resource for unlocking the full potential of Tableau.
Table of Contents (11 chapters)

Scheduling Data Updates

Once content has been published to a Tableau site, the data needs to be kept fresh so that the insights on the dashboards are relevant. Live connections are kept constantly up to date, but extracts contain a point-in-time snapshot of the data. Extracts can be configured to refresh on a schedule. Tableau Prep flows can also be created to combine and transform data before outputting to a Tableau data source on a Tableau site. These prep flows can be scheduled so that the resulting data sources are kept fresh.

Extract Refreshes

Sometimes, live connections to data are not feasible and Tableau extracts are also more performant than live connections. To refresh the data on a regular basis, an extract refresh can be configured. On Tableau Server, the schedules available to run the refresh are configured by the server admin. On Tableau Cloud, the refresh frequency is fully configurable by the user setting up the extract refresh.

When publishing a data source...