Tableau Blend vs Join vs Relationship (Data Model) Explained - Part 2 | sqlbelle

Part 2 Tableau Join vs Relationship - In this second part, we discuss the Tableau data model and focus on the differences between join and relationship, and highlight advantages and limitations of each. This also demos typical issues and errors we encounter with joins, like duplicated records or missing rows. At the end of the video, there is a comprehensive summary of blend, join and relationship. -- This is a two-part series where we explain and demo the differences between Tableau's blend vs join vs relationship - which are all ways of combining multiple files or data sources together. We will describe each one, walk through demonstrations, and identify distinctive characteristics and potential limitations and/or drawbacks. Part 1 focuses on Tableau Blend. We will look at how to create blends, underlying way it works, some quirks, and main reasons for using blend. Part 2 focuses on Joins vs Blends. It also discusses the new Data Model introduced in v2020.2. A comprehensive summary is provided towards the end of the Part 2 video. Related videos: Blend vs Join vs Relationship (Data Model) - Comprehensive Comparison - Part 1 https://www.youtube.com/watch?v=dC10teRrv-k Blend vs Join vs Relationship (Data Model) - Comprehensive Comparison - Part 2 https://www.youtube.com/watch?v=FtyVMvfzn1I Database Joins Explained https://www.youtube.com/watch?v=4k5ODpvDZrY Level of Detail (LOD) Expressions https://www.youtube.com/watch?v=yush1yNz9VM Data Interpreter Tricks https://www.youtube.com/watch?v=xqxlNk82wRs