I Analyzed 5,000 DAX Measures. Here Are The 5 Patterns That Kill Performance.
Author(s): Gulab Chand Tejwani Originally published on Towards AI. 18 seconds for one measure. The dashboard was unusable. I analyzed 5,247 DAX measures to find what kills performance. 78% had these 5 patterns. Fix one, get 14x faster. He clicks “Refresh” on …
We Replaced 47 Excel Files With One Power BI Model. Here’s What Actually Happened.
Author(s): Gulab Chand Tejwani Originally published on Towards AI. 15 hours every Monday copying data. Daily errors. Zero trust in the numbers. Here’s what actually happened when we migrated from Excel chaos to Power BI. Monday, 6:23 AM. My phone buzzed. We …
DAX Measure Library Architecture: From Messy to Maintainable
Author(s): Gulab Chand Tejwani Originally published on Towards AI. How we stopped wasting $93,600 per year searching for measures we’d already built The Slack message appeared at 2:37 PM on a Tuesday. DAX Measure Library ArchitectureThe article discusses the author’s struggle to …
Why Your Power BI Report is Slow: A 10-Minute Performance Audit
Author(s): Gulab Chand Tejwani Originally published on Towards AI. The diagnostic framework that helped me fix a 43-second dashboard in 30 minutes — and saved my job The email came at 9:47 PM on a Thursday. Why Your Power BI Report is …
The Day Our Power BI Report Crashed the CEO’s Laptop
Author(s): Gulab Chand Tejwani Originally published on Towards AI. How a 2GB dataset, runaway DAX measures, and a security breach taught me everything about Power BI optimization The email arrived at 7:47 AM on a Monday. The Scene of the CrimeThe article …
How a Single DAX Measure Saved Our Client $2.3M in Inventory Costs
Author(s): Gulab Chand Tejwani Originally published on Towards AI. The hidden cost of “almost accurate” data — and the Power BI solution that changed everything It was 11 PM on a Tuesday when my phone rang. The VP of Operations at a …
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