Surrogate Keys Explained in 60 Seconds | Power BI Merge vs Append | Data Analytics Basics

Confused about Surrogate Keys in Data Analytics?

In this short video, I explain:

✔️ What is a Surrogate Key
✔️ Difference between Natural Key and Surrogate Key
✔️ Why Surrogate Keys are important in Data Warehousing
✔️ Power BI example with MERGE and APPEND
✔️ How it improves relationships and performance

If you're learning Power BI, SQL, or preparing for Data Analyst interviews, this concept is a must-know.

This video uses a clear visual example so you can easily understand how surrogate keys help in building proper dimension tables and maintaining consistent data models.

Perfect for:
• Data Analytics beginners
• Power BI learners
• SQL learners
• College students
• Working professionals switching to analytics

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Видео Surrogate Keys Explained in 60 Seconds | Power BI Merge vs Append | Data Analytics Basics канала Nerds of Data