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Learning Tableau by Joshua N. Milligan

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Chapter 2. Working with Data in Tableau

Tableau offers the ability to connect to virtually any data. It does so using a unique paradigm that allows it to leverage the power and efficiency of the existing database engines with an option to extract data locally. This chapter focuses on the foundational concepts of how Tableau works with data, including the following:

  • The Tableau paradigm
  • Connecting to data
  • Working with extracts
  • Metadata and sharing connections
  • Joins and blends
  • Filtering data

The Tableau paradigm

Tableau connects directly to native data engines and also includes the option to extract data locally. The unique experience of working with data in Tableau is a result of VizQL: visual query language.

VizQL was developed as a Stanford research project, ...

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