Datatouille's profile picture. ★ Founder Data Pulse ★ Co-Founder @ClubPowerBI (Power BI User Group 🇫🇷) & @ClubFabricFR (French Fabric User Group 🇫🇷)

Tristan Malherbe

@Datatouille

★ Founder Data Pulse ★ Co-Founder @ClubPowerBI (Power BI User Group 🇫🇷) & @ClubFabricFR (French Fabric User Group 🇫🇷)

Pinned

How I fell in love with #PowerBI and how it has transformed my life ! A thread 🧵


What % of your Power BI semantic models have only 1 fact table ?


Just arrived in Bali 🇮🇩 to mix work & fun ! Let's go 🙂

Datatouille's tweet image. Just arrived in Bali 🇮🇩 to mix work & fun !

Let's go 🙂
Datatouille's tweet image. Just arrived in Bali 🇮🇩 to mix work & fun !

Let's go 🙂
Datatouille's tweet image. Just arrived in Bali 🇮🇩 to mix work & fun !

Let's go 🙂
Datatouille's tweet image. Just arrived in Bali 🇮🇩 to mix work & fun !

Let's go 🙂

Les User-Defined Functions (UDF) sont une révolution en DAX. 👉 Rejoignez mon webinaire prévu lundi 6 octobre à 12h15: tinyurl.com/udfdax Je vous montrerai comment exploiter la fonction de ces UDF en DAX afin de résoudre des cas métiers fréquemment rencontrés sur Power BI!

Datatouille's tweet image. Les User-Defined Functions (UDF) sont une révolution en DAX.

👉 Rejoignez mon webinaire prévu lundi 6 octobre à 12h15: tinyurl.com/udfdax

Je vous montrerai comment exploiter la fonction de ces UDF en DAX afin de résoudre des cas métiers fréquemment rencontrés sur Power BI!

Tristan Malherbe reposted

Momentum behind #MicrosoftFabric continues to accelerate! Today, I’m with 4,100+ data leaders at #FabConVienna where we announced powerful new capabilities— new mirroring sources in #OneLake like BigQuery and Oracle, new Fabric Graph, new Maps in Fabric, Fabric MCP Server, and so…

arunulag's tweet image. Momentum behind #MicrosoftFabric continues to accelerate! Today, I’m with 4,100+ data leaders at #FabConVienna where we announced powerful new capabilities— new mirroring sources in #OneLake like BigQuery and Oracle, new Fabric Graph, new Maps in Fabric, Fabric MCP Server, and so…

DAX User-Defined Functions are here !! DAX will probably never be the same... big impact on the way we develop semantic models and reusable logic. Trying it right now.

We finally have 𝘂𝘀𝗲𝗿-𝗱𝗲𝗳𝗶𝗻𝗲𝗱 𝗳𝘂𝗻𝗰𝘁𝗶𝗼𝗻𝘀 (𝗨𝗗𝗙) in DAX! Don't make mistakes; this is not a user data function in Fabric. This is a new DAX feature, the most important one in the last five years. First article and video to introduce how UDFs in DAX work.…

marcorus's tweet image. We finally have 𝘂𝘀𝗲𝗿-𝗱𝗲𝗳𝗶𝗻𝗲𝗱 𝗳𝘂𝗻𝗰𝘁𝗶𝗼𝗻𝘀 (𝗨𝗗𝗙) in DAX!

Don't make mistakes; this is not a user data function in Fabric.

This is a new DAX feature, the most important one in the last five years.
First article and video to introduce how UDFs in DAX work.…


Tristan Malherbe reposted

Link (SQLBI): sqlbi.com/articles/intro… 𝗦𝗰𝗲𝗻𝗮𝗿𝗶𝗼 𝗼𝗻𝗲: 𝗰𝗵𝗮𝘁𝗯𝗼𝘁 𝘁𝗼𝗼𝗹𝘀 Scenario two: Augmented chatbot experiences Scenario three: Agentic development Scenario four: Asynchronous agents

kurtbuhler's tweet image. Link (SQLBI): sqlbi.com/articles/intro…  

𝗦𝗰𝗲𝗻𝗮𝗿𝗶𝗼 𝗼𝗻𝗲: 𝗰𝗵𝗮𝘁𝗯𝗼𝘁 𝘁𝗼𝗼𝗹𝘀
Scenario two: Augmented chatbot experiences
Scenario three: Agentic development
Scenario four: Asynchronous agents

Tristan Malherbe reposted

Useful community tools and resources for #PowerBI and #MicrosoftFabric blog.crossjoin.co.uk/2025/08/24/use…


Tristan Malherbe reposted

Creating and using a theme file is one of the easiest and best ways to save time as a report creator in Power BI. Some free resources to get started below.

kurtbuhler's tweet image. Creating and using a theme file is one of the easiest and best ways to save time as a report creator in Power BI. 

Some free resources to get started below.

To summarize this article (😂): SummarizeColumns is now a serious option when creating DAX measures !

Yes, you can use SUMMARIZECOLUMNS in a DAX measure, BUT... But only if you follow the best practices in this article + video. Spoiler: Goodbye ADDCOLUMNS / SUMMARIZE - well, with some exceptions... #dax #powerbi sqlbi.com/articles/summa…

marcorus's tweet image. Yes, you can use SUMMARIZECOLUMNS in a DAX measure, BUT...

But only if you follow the best practices in this article + video.

Spoiler: Goodbye ADDCOLUMNS / SUMMARIZE - well, with some exceptions...

#dax #powerbi

sqlbi.com/articles/summa…


EXCELLENT article from @kurtbuhler and @MarcLelijveld about security in Power BI. A MUST READ ! ⬇️


The combo Python + SQL is just pure gold for any "Modern" Data Architecture. Python 🐍 is so powerful and consumes very few Capacity Units in Fabric. SQL (supposedly dead since 15 years) remains one of the best language to prepare & query data ☑️

#Python is eating the world! You can now use Python notebooks to interact with your #SQL database in #MicrosoftFabric 🐍 🐍 🐍 🐍 🐍 🐍 🐍 🐍 🐍 🐍 🐍 🐍 🐍 🐍 🐍 🐍 blog.fabric.microsoft.com/en-us/blog/con…



Tristan Malherbe reposted

I recently had a great conversation with Richard Campbell on @RunAsRadio , episode #993, recorded live at Microsoft Build. We talked about how #MicrosoftFabric is evolving beyond analytics to power real-time intelligence and operational workloads. I also shared thoughts on how…


"The Lost Decade of Small Data" (from @duckdb) 👉 duckdb.org/2025/05/19/the…

this chart is basically saying, for a single user use case, a library like #duckdb is competitive with state of the art DWH even at 1 TB scale.

mim_djo's tweet image. this chart is basically saying, for a single user use case, a library like #duckdb is competitive with state of the art DWH even at 1 TB scale.


This #PowerBI Data Model isn't ambiguous. Why ? Give your explanations below ⬇️

Datatouille's tweet image. This #PowerBI Data Model isn't ambiguous. Why ?

Give your explanations below ⬇️

French Riviera, today ☀️🏝️ Perfect environment to think about my future Power BI & Fabric contributions. I have some technical sessions and a table talk scheduled in the next 3 weeks.

Datatouille's tweet image. French Riviera, today ☀️🏝️

Perfect environment to think about my future Power BI & Fabric contributions. 

I have some technical sessions and a table talk scheduled in the next 3 weeks.
Datatouille's tweet image. French Riviera, today ☀️🏝️

Perfect environment to think about my future Power BI & Fabric contributions. 

I have some technical sessions and a table talk scheduled in the next 3 weeks.
Datatouille's tweet image. French Riviera, today ☀️🏝️

Perfect environment to think about my future Power BI & Fabric contributions. 

I have some technical sessions and a table talk scheduled in the next 3 weeks.
Datatouille's tweet image. French Riviera, today ☀️🏝️

Perfect environment to think about my future Power BI & Fabric contributions. 

I have some technical sessions and a table talk scheduled in the next 3 weeks.

Excellent feature here ! Combining Direct Lake and Import in the same semantic model while keeping "regular" relationships ("strong" and fast) opens up many new possibilities and architectures. I will try this very soon.

The “Choosing Between Import Mode, Direct Lake, and Composite Models” session is available to everyone! Based on my speech at Fabric Conf 2025 in Las Vegas, I recorded a video using the new "Direct Lake + Import" composite model feature, which is now in public preview. #powerbi

marcorus's tweet image. The “Choosing Between Import Mode, Direct Lake, and Composite Models” session is available to everyone!
Based on my speech at Fabric Conf 2025 in Las Vegas, I recorded a video using the new "Direct Lake + Import" composite model feature, which is now in public preview.

#powerbi…


There are now 2 versions of Direct Lake in Fabric: Direct Lake on OneLake vs Direct Lake on Fabric SQL EndPoints (Lakehouse and Warehouse). 👉The documentation below gives more info on both and compares them.

We have now updated our MS Learn documentation on Direct Lake to include information on the new Direct Lake on OneLake option that was announced earlier this month at FabCon. #PowerBI #MicrosoftFabric learn.microsoft.com/en-us/fabric/f…



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