Tableau data blending

  • On a single worksheet when data is Tableau blend from multiple data source that is Data blending in Tableau, The data is attached on common dimensions.
  • It does not create row-level

    joins. And this is not a way to add novel dimensions or rows to your data.

  • It should be utilized when you have related data in many data sources that you want to examine together in a single view.
  • To combine the data blending tableau, you should first add one of the common dimensions from the primary data source to the view.

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Tableau data blending on a Worksheet

Follow these steps to use data from both data sources on a single worksheet in tableau blending.

  • Connect to Sample – Superstore Sales (Excel) and build a view that shows Sales by Customer Segment and Product Category.


  • Select Data > Connect to Data and connect to the Sales Plan spreadsheet.
  • Drag the Sales Plan measure to the Level of Detail shelf.


  • Right-click the Sales axis and select Add Reference Line.
  • In the Reference Line dialog box, add a reference line that shows Sales Plan per cell. When finished, click OK.


  • The Worksheet is now pulling data from the secondary data source (Sales Plan) to show how actual sales compared to the forecasted sales.

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