Fact vs Dimension Tables Explained (Data Modeling Interview Question)

Fact table vs. dimension table is one of the most common data modeling and data warehouse interview questions, and many people can recite the definitions without really understanding the difference. In this video, I break down what each table stores, how they relate to each other, and how to explain it clearly in an interview.

???? What's covered:
What a fact table is, and why it holds measurable values like quantity and amount
What a dimension table is, and why it holds descriptive context like customer, city, and category
How the two connect and why a warehouse needs both
How to explain the difference simply in an interview

???? This video is taken directly from the SQL Intermediate Course on SQLNest. If you want to go deeper into data modeling, keys, relationships, normalization, and more, check out the full course and the other courses on SQLNest for more videos like this:
https://sqlnest.com/course/SQL%20Intermediate%20Course

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