I am Bas and I am here to teach everything I know about Power BI. My journey started a long, long time ago with VBA, Power Query and finally Power BI. Over the years I've build DataTraining.io, where I train and consult international organizations in Power BI and Tableau. Recently, I have decided to take everything I know and share it online, so that I can help more people :)
Follow along to get an independent view on Power BI, Power Query and Power Apps.
I always share my honest take on features, applications and limitations.
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How to Power BI
For years, building internal business applications meant stitching together databases, APIs, authentication, hosting, and front-end development.
Fabric Apps (Preview) changed that 🙌
Here, I’ve summarised how you can build an app in minutes:
🔹 What Fabric Apps are
🔹 How to get started in just a few steps
🔹 The prompt-driven development workflow
🔹 What the final experience can look like
I’m excited to show you more ideas and use-cases of how my team works with it.
Follow me to stay updated 🚀
See link below to get more details
1 day ago | [YT] | 75
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How to Power BI
User-Defined Functions in Power BI
Build once. Reuse everywhere.
1 day ago | [YT] | 69
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How to Power BI
4 signs your model needs rebuilding/refactoring right now:
❌ Every requirement means a workaround 😞
❌ DAX keeps getting longer and is used to patch modeling issues 🤯
❌ Nobody wants to touch it (“as long as it works) 🫣
❌ New team members need a few days just to understand relationships because it looks like spaghetti below. 😅
Sometimes rebuilding is faster and cheaper, especially if the model will be centralized and used accross multiple apps and reports.
1 day ago | [YT] | 131
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How to Power BI
Everyone’s obsessed with how fast you can build an app now (myself included, lol, see my video below 😅🙌).
But honestly, most often underneath all this you will find shaky data engineering, modeling, governance… That shiny new app… is made to fall apart at the worst time. 😅
And I’m seeing that everyone starts to realize this too - Clients coming to us to actually centralize their models and get governance in place, because things got built fast and messy. Reminds me of the Power BI days, when orgs let devs run wild and you ended up with 5000 reports (not a random number, I have seen this!) nobody opened. Same story, once again.
So yeah, build fast, build cool. Just don’t skip the groundwork. It’s the only part that actually holds everything up together. ✌️
2 days ago | [YT] | 102
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How to Power BI
Microsoft just made Power BI report building agentic 🤯
In the June 2026 Power BI update, Microsoft introduced Skills for Fabric, a marketplace of plugins that let Al agents handle the entire report development process: planning, data modeling, visual design, and publishing.
I tested it end-to-end using Claude, and the results genuinely surprised me. The agent doesn't just spit out a generic dashboard, it asks clarifying questions about your audience, goals, and preferred look & feel before building anything, then produces a full report.
Here you can see a summary. And in my latest blog post, I break down in details:
→ How to set up the marketplace and connect your project folder
→ The 3 key skills (report-planner, report-design, report-authoring)
→ What “agentic” report building actually looks like in practice
→ The final results
Have you tried it yet? What do you think?
2 days ago | [YT] | 181
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How to Power BI
New free tool for you:
Icons Studio by datatraining.io
Customize over 1200 icons 🚀
colors, background, thickness. Download all at once as svg or png.
Super simple, functional and fast to use.
Tag me when you use it in your reports, curious to see the results!!!
100% free, no catch, no email funnel.
Link below.
3 days ago | [YT] | 168
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How to Power BI
Conditional formatting revolution in Power BI July 2026 Update
In the recent months many of the previously unformattable" options got their fx button.
See more below!
Happy to see it!
Stay tuned my examples will drop soon :)
3 days ago (edited) | [YT] | 134
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How to Power BI
Stop writing the same DAX logic over and over
Write it once. Use it everywhere 🚀
Check out my new UDF training!
4 days ago | [YT] | 148
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How to Power BI
"Almost" is the worst place to be.
Stakeholders forgive a calculation mistake. Because that's an easy fix.
They don't forgive "almost" finding what they need. It is frustrating, infuriating and it makes them immediately feel like they've wasted time searching to leave with nothing.
Most of it comes down to one skill: choosing what and how to show.
4 simple question that help a lot:
➝ What's the one number they open the report for? Start with it.
➝ Is this "need to know" or "nice to know"? First cut the nice-to-know.
➝ Does the default view answer the most common question? If not, fix it.
➝ Would removing a chart change anything? If no, remove it.
6 days ago | [YT] | 118
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How to Power BI
Check how good you are in Power BI#
Instant results with your own knowledge gap analysis.
...
Give it a go!
1 week ago | [YT] | 102
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