Tableau Blend vs Join vs Relationship (Data Model) Explained - Part 1 | sqlbelle

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Part 1 Tableau Blend - In this multi-part series, we will 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

Blend vs Join vs Relationship (Data Model) - Comprehensive Comparison - Part 2

Database Joins Explained

Level of Detail (LOD) Expressions

Data Interpreter Tricks
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Respect!! Blend is not an easy material to explain, but this video made so easy to grasp. Your database background is making you such a great instructor. The left join, aspect of the Blend, primary data source, and aggregation to the blended second data source were the missing point that you tackled here very explicitly.
Can't wait for the relationship tutorial week

agermoune
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Thanks belle! I was often confused about the use case of blending. Now you've made it really clear. Great video!

romyli
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This is the best explanation about data blending I've ever watched, very clear and very knowledgeable. I actually enjoy all the video you posted. Thank you.

vuphan
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I have started learning tableau and then I found your videos on Data connection topics it is so nicely explained with examples. thanks for making such videos

aayushraj
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This is probably the best explanation available online. I am new to Tableau and felt overwhelmed by most of these new concepts but watching your videos has helped me so much! Thank you!!

just
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Pure Gold, understanding how blends work and the difference between the primary and secondary data source. Fantastic channel, packed with top info. Well done !

neilvanasselt
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Belle's videos are so well produced. It's an enjoyment to watch them.

shisuili
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I started to learn Tableau 6 months ago and I had watched this video a few times in the past. After 6 months, I am watching this video again and many things make better sense to me! Your Tableau videos are the best in class! Thank you!

TonyChangTaiwan
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Hands down the best place to learn Tableau on the internet. Thank you once again.

drummersaad
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Hats off to you! best video on yt on blends! Thank a ton. God bless you<3

vdxwllv
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I’ve never heard anyone explaining blend so clearly!

havefundrawing
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This video has the clearest description of what data blending is. It essentially is a left join of the primary data.

dudehe
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Great Video and super helpful. I was struggling exactly on the same issue of asterisks to understand why it is happening on my dashboard, and, now I got the answer.. Keep up the great work!

sasall
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You are an excellent instructor ! Super helpful, thank you for sharing !

GeraBizuneh
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This is amazing. I am big fan of how you explain things so easily which makes everything so simple. Thanks a lot

vickybisht
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OMG! what an easy way to explain Blend. Congratulations!

ricardoosorioflota
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I have watched so many videos.. But urs could be the best video if I want to suggest anyone. Take a bow for ur explanation. Became fan of your lecture.

ganeshjayavarapu
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Fan of your teaching from India..love your videos as it is making more clear about data.

adityagupt
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I never usually subscribe or comment.. but your lucid explanation made me do that.. your channel is so underrated..more people should subscribe.

onambhanot
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Excellent! Excellent! Excellent!
Truly, the best video on Blend :)

Thank you very much for creating this video.

neerajsehtya