Blog

Lessons, guides, question reviews, and practical notes across certifications, analytics, and AI.

pl-300beginner

Learn what a star schema is, why it matters in Power BI, and how it appears in PL-300.

Mar 30, 2026•1 min read

fabricbeginner

A simple introduction to what a Lakehouse is in Microsoft Fabric and when to use it.

Mar 29, 2026•1 min read

mlbeginner

Understand why machine learning needs a train/test split and what goes wrong when you skip it.

Mar 28, 2026•1 min read

pl-300beginner

A simple way to tell the difference between fact tables and dimension tables in Power BI.

Mar 27, 2026•1 min read

fabricbeginner

A practical comparison of warehouses and lakehouses in Microsoft Fabric.

Mar 26, 2026•1 min read

mlbeginner

Learn what precision and recall mean and why the right metric depends on the real-world cost of errors.

Mar 25, 2026•1 min read