Azure SQL Star Schema Tutorial | Stop Doing 10-Way Joins | WHAT. WHY. WHEN. HOW.
In today’s video, we deep dive into one of the most important concepts in Data Warehousing and Analytics Engineering:
⭐ Star Schema
We understand how Star Schema helps optimize analytical workloads and why it is widely used in modern Data Warehouses like:
🔹 Databricks
🔹 Snowflake
🔹 Azure Synapse
🔹 Power BI Models
🔹 SQL Warehouses
In this video we cover:
🔹 What is Star Schema
🔹 Fact Tables vs Dimension Tables
🔹 Why Star Schema improves query performance
🔹 OLTP vs OLAP
🔹 Denormalization Explained
🔹 Primary Keys & Foreign Keys
🔹 Query Execution Flow
🔹 Surrogate Keys Explained
🔹 Why Dimension Tables are denormalized
🔹 When to use Star Schema
🔹 When NOT to use Star Schema
🔹 Alternatives like 3NF & One Big Table (OBT)
🔹 Real-world BI & Reporting Use Cases
🔹 Databricks Identity Columns Explained
🔹 Practical SQL/Table Creation Demo
This video is perfect for:
✔ Beginner Data Engineers
✔ Analytics Engineers
✔ SQL Developers
✔ BI Developers
✔ Azure Data Engineers
✔ Anyone preparing for Data Engineering interviews
Links -
Github - hhttps://github.com/chirag1254/tutoria...
Linkdin - / chirag-sachdeva-data-engineer
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