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Tableau Cookbook - Recipes for Data Visualization

You're reading from  Tableau Cookbook - Recipes for Data Visualization

Product type Book
Published in Dec 2016
Publisher Packt
ISBN-13 9781784395513
Pages 504 pages
Edition 1st Edition
Languages
Author (1):
Shweta Sankhe-Savale Shweta Sankhe-Savale
Profile icon Shweta Sankhe-Savale
Toc

Table of Contents (18) Chapters close

Tableau Cookbook – Recipes for Data Visualization
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
1. Keep Calm and Say Hello to Tableau 2. Ready to Build Some Charts? Show Me! 3. Hungry for More Charts? Dig In! 4. Slice and Dice – Grouping, Sorting, and Filtering Data 5. Adding Flavor – Creating Calculated Fields 6. Serve It on a Dashboard! 7. The Right MIX – Blending Multiple Data Sources 8. Garnish with Reference Lines, Trends, Forecasting, and Clustering 9. Bon Appétit! Tell a Story and Share It with others 10. Formatting in Tableau for Desserts Index

Working with Tableau Extracts


As discussed in our first chapter, there are two options of connecting to our data, namely, Live and Extract. With the Live option, Tableau connects directly to our data and maintains a Live' connection with the data source. In Live connection, Tableau leverages the capabilities of our data source and hence the speed of our data source will determine the performance of our analysis. Whereas, the Extract option helps us import the entire data or subset of our data into Tableau's fast data engine as an Extract. This basically creates a .tde file which stands for Tableau Data Extract.

So far we have used the Live connect option for connecting to our data sources. However, in this section, we will focus on the Extract option.

Typically, Extracts are used for the following reasons:

  • Improving performance: If the data source speed is hampering the performance of our analysis, then we can use an Extract. This could be the case when connecting to flat files such as Excel...

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