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physical layer Tag

The new data model brought us the Logical Layer, from which we can draw specific tables without being forced to load the data from all the related tables. Remember, with traditional joins, all sheets that worked with that join had to load the full data...

Relationships work on what Tableau calls the Logical Layer, while traditional joins work on the Physical Layer. Let’s have a look at what those two layers actually mean and why they have their names. [video width="1920" height="1080" mp4="https://interworks.com/wp-content/uploads/2022/07/Relationships_en_A1-1.mp4"][/video]   Tableau's Physical Layer So, the Physical Layer is the one...

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