Season 1

Namaste Power BI

Episode 2

Architecture Deep Dive

⏱ 40:00

Episode Summary

How Power BI actually works under the hood — the VertiPaq engine, data flow pipeline, query folding, and how Desktop, Gateway, and Service connect. Essential for performance optimization later.

This is Episode 2 of the free Namaste Power BI course on DevWithData — covering architecture deep dive. Watch the video above, then pass the MCQ checkpoint to unlock the next episode and update your Data Readiness Index score.

Key Takeaways

→VertiPaq is the columnar in-memory engine that powers Import mode
→Query folding pushes transformations back to the source for efficiency
→The data pipeline: Source → Power Query → Model → DAX → Visual
→Understanding architecture prevents 90% of performance issues

⚠ Common Interview Pitfalls

•Ignoring architecture and jumping to visual building
•Not understanding why Import vs DirectQuery matters architecturally
•Assuming cloud = automatically fast

Official Reference

Deepen your understanding with official Microsoft documentation.

PL-300 Official Training Course

Microsoft's official instructor-led training for the Power BI Data Analyst certification.

https://learn.microsoft.com/en-us/training/courses/pl-300t00

Power BI Documentation

Complete reference for Power BI Desktop, Power BI Service, and Power BI Embedded.

https://learn.microsoft.com/en-us/power-bi/

Content on DevWithData is original and inspired by official Microsoft resources. The links above point directly to Microsoft Learn — always the authoritative source.

← Ep 1: What is Power BI?

Ep 3: Data Import & Sources →

Episode Checkpoint

Sign in to attempt the quiz and unlock the next episode.