Restaurant Growth | SQL Moving Average Solution|Master SQL Moving Averages!LeetCode 1321 Walkthrough

Learn how to calculate a 7-day moving average in SQL! We break down the popular interview question "Restaurant Growth" (LeetCode 1321). This is a must-know pattern for Data Science and Engineering interviews at top tech companies.
In this video, we solve this Medium-level SQL problem by calculating a 7-day rolling average. I’ll show you how to use CTEs and Window Functions (ROWS BETWEEN) to create an efficient and clean solution.

Key concepts covered:

SQL Window Functions (SUM & AVG over a window)

The ROWS BETWEEN clause explained

Using Common Table Expressions (CTEs)

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Видео Restaurant Growth | SQL Moving Average Solution|Master SQL Moving Averages!LeetCode 1321 Walkthrough канала Vivek The Analyst