Tableau Data Object Model: Relationships, Noodles, and Joins.

Every data source that you create in Tableau has a data model. Discover the difference between relationships and joins, and how this new logical and physical layer exactly works!

On Demand Skill-Up

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Tableau Data Object Model

The new data modeling capabilities in Tableau create flexible data sources built around relationships.

Relationships combine data from different tables by looking at what columns (fields) those tables have in common and using that information to bring information from each table together in the analysis.

Unlike joins or unions, relationships form a data source without flattening multiple tables into a single table. Because of this, related data sources know which table each field is from. That means each field keeps its context, or level of detail. Related data sources can therefore handle tables with different granularity without issues of duplication or data loss.
During this skill-up we will focus on the following elements:

  • Difference between relationship and joins
  • Clear explanation of the logical and physical layers
  • Is blending gone?
  • What happened to my older data sources?
  • Number of records is gone? What happened?
  • ...

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Your Inspiring Host
Andrew-Lang-Rounded---Delete-me

Andrew Lang
Analytics Consultant