Utilizing OData, Data Densification, Big Data, and Google BigQuery

Many questions that Tableau newbies have are not related to data preparation, joins, unions, data blending, or data structures, but rather, some of the following:

• How can I remove null dates from the view?
• Why does a table calculation display numbers that don’t exist in the underlying data?
• How does Tableau work with big data?
• Will Tableau still perform well if I query millions of rows?

This chapter will answer all of the above. As always, the Tableau help pages provide an excellent resource too. Some useful links to explore these topics further are:

• Data densification: https://help.tableau.com/current/pro/desktop/en-us/predictions_generated_marks.htm
• Big data: https://www.tableau.com/solutions/big-data

In this chapter, we will discuss the following topics:

• Using the OData connector
• Data densification
• Domain completion
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