SQL Interview Question | Running Totals & Revenue Contribution

In this video, we break down a common analytics-style SQL interview question involving running totals and revenue contribution.

We calculate seller-level revenue, total marketplace revenue, running cumulative revenue, and each seller’s percentage contribution to total revenue.

Topics covered:
• SQL Interview Preparation
• GROUP BY
• SUM()
• Window Functions
• SUM() OVER ()
• Running Totals
• Revenue Contribution Analysis
• CTEs

The goal is not just to memorize the query, but to understand the pattern behind the solution.

Code. Query. Crack.

Видео SQL Interview Question | Running Totals & Revenue Contribution канала PrepWithSid