Job-Ready SQL in an Afternoon - Row Numbers and Ranks

The video tutorial explains the use of window functions in SQL, focusing on row number, rank, and dense rank functions. It demonstrates how to partition data by unit price and order by track ID, highlighting the differences between these functions in handling duplicate values. The tutorial also covers how to apply these functions without partitioning to affect the entire dataset.

Describe how to partition data in SQL using window functions.

What is the significance of the ORDER BY clause in window functions?

How can you apply window functions to the entire dataset without partitioning?