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Tableau Cookbook – Recipes for Data Visualization by Shweta Sankhe-Savale

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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 ...

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