SQL Interview Question | ROW_NUMBER vs DENSE_RANK Explained

In this video, we break down a common SQL interview question step by step.

We start with a simple aggregation problem and then evolve it into a more advanced ranking problem using ROW_NUMBER() and DENSE_RANK().

Topics covered:

* GROUP BY
* SUM
* ROW_NUMBER()
* DENSE_RANK()
* QUALIFY
* Handling ties in SQL interview questions

Prep With Sid

Видео SQL Interview Question | ROW_NUMBER vs DENSE_RANK Explained канала PrepWithSid