Medium

Debayan Kar

he/him

Debayan Kar

·

6d ago

Netflix Won the Quarter. It Is Losing the Hour.

An independent look at why streaming’s next fight is over attention, and why Netflix has fewer places to fall back on than any of its…

Netflix Won the Quarter. It Is Losing the Hour.

Debayan Kar

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Nov 8

Databricks Ontology Studio-Your Lakehouse Is Ready for AI. Your Metadata Isn’t.

How Ontology Studio turns a pile of Unity Catalog tables into a governed semantic layer in an afternoon, and why that is the cheapest AI…

Databricks Ontology Studio-Your Lakehouse Is Ready for AI. Your Metadata Isn’t.

Debayan Kar

·

Oct 28

I Built a PC Cleaner That Looks Like 1992 and Behaves Like It Has Something to Prove

RetroBoost is a free, open-source Windows tune-up tool written in PowerShell. It has no installer, no admin prompt and no network calls…

I Built a PC Cleaner That Looks Like 1992 and Behaves Like It Has Something to Prove

Debayan Kar

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Sep 25

I Built a Free App That Teaches Data Modelling Like a Game

Schema Quest takes you from a 15-column spreadsheet to a connected model through puzzles, not definitions. No account, no ads, just the…

I Built a Free App That Teaches Data Modelling Like a Game

Debayan Kar

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Sep 24

Is the Ontology Just a New Semantic Model?

Why the newest modeling layer in Microsoft Fabric answers a question the star schema was never built to ask.

Is the Ontology Just a New Semantic Model?

Debayan Kar

·

Sep 13

Before You Chase the Technology, Chase the Customer

What a tense exchange from 1997 still has to teach anyone building something today.

Before You Chase the Technology, Chase the Customer

Debayan Kar

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Sep 13

I Tested Microsoft’s “You’ll Never Build a Power BI Report Again” Claim. Here’s the Honest Verdict.

What the new Power BI Report Authoring agent skill actually does well, where it falls short, and what it means for how BI developers should…

Debayan Kar

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Sep 6

GPT-6 Astra Launched. The Reaction Videos Got the Headline Right and the Story Wrong.

A data practitioner’s take on what’s actually confirmed about Astra — and which parts of the “your career is over” narrative hold up.

Debayan Kar

·

Sep 5

Turning Boring CSVs into an Interactive Map with Python and Streamlit

How to build a clickable, filterable U.S. choropleth map from raw fraud-report data — no JavaScript required.

Debayan Kar

·

Aug 20

Anthropic Doesn’t Think “Agents” Are a New Category.

I spend most of my working life inside orchestration logic — Power BI, Fabric, Databricks Workflows, pipelines where every step is…

Anthropic Doesn’t Think “Agents” Are a New Category.

Debayan Kar

Debayan Karhe/him

Senior BI Architect & freelance consultant. I write about Power BI, Microsoft Fabric, Databricks, and where AI actually helps (and doesn't) in BI work.

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