Season 3

Namaste Power BI

Episode 34

Object Level Security

⏱ 30:00

Episode Summary

Hiding sensitive tables and columns from specific user groups — Object Level Security (OLS) vs Row Level Security (RLS), configuring OLS via Tabular Editor, and enterprise data protection strategies.

This is Episode 34 of the free Namaste Power BI course on DevWithData — covering object level security. Watch the video above, then pass the MCQ checkpoint to unlock the next episode and update your Data Readiness Index score.

Key Takeaways

→OLS hides entire tables or columns from specific roles
→RLS filters rows; OLS hides structure — they complement each other
→OLS is configured in Tabular Editor, not Power BI Desktop
→Common use case: hiding salary columns from non-HR users

⚠ Common Interview Pitfalls

•Confusing OLS with RLS — they solve different problems
•Not testing OLS thoroughly — hidden columns may still appear in tooltips
•Thinking OLS provides data security at the query level (it's presentation-only)

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 34: Row-Level Security Mastery

Ep 35: Advanced Modeling Patterns →

Episode Checkpoint

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