Understanding apply semantics for window functions in DAX

Apply semantics is a new way of computing table expressions when multiple rows are selected in DAX window functions.
Article and download: sql.bi/836012?aff=yt
How to learn DAX: www.sqlbi.com/guides/dax/?aff=yt
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[@VictorHugo-bd3bf]

I had to watch it two times to understand. Thanks so much, Alberto. As usual, the content is amazing.

[@AhmedCherif-mt5lb]

You are wonderful Mr Alberto, greetings from Tunisia🤩

[@wilsonman8661]

"I don't expect people to use this as a feature because it's actually uselessly complicated." This is my main takeaway! Thanks for another video. :D

[@nazimscr]

Congratulations on 100k subscribers, 🎉🎉🎉

[@nonoobott8602]

Very insightful video as usual. Thanks for sharing

[@gurvindersingharora5301]

Hello Sir, When to combine ALL function with Calculate + Filter function in DAX ? Please make a video of it 🙏 ❤

[@davidoj519]

Wow, i repeated the video 4 or 5 times to understand and i have questions yet xD

[@sarajvo2010]

Is appy semantic available only in DAX, relaing to windows functions?

[@SQLBI]

Yes!

[@tareksalha]

I never understood, why people started with window functions in dax… You can also achieve the same results with ordinary functions that do not preserve order (presumably due to clean data modeling 😉)