Mastering SQL: Calculating Last 3 Months Rolling Average Sales #SQL #RollingAverage

In this video, I will walk you through how to calculate the last 3 months' rolling average sales using SQL. This is a common interview question and a must-know concept for data analysts and engineers working with time-series data. I'll break down the steps and explain the logic behind it so you can easily apply it in your own projects or interview prep. By the end of this tutorial, you'll have a clear understanding of how to solve this in SQL and be ready to tackle similar questions with confidence.

🔍 What You'll Learn:

1. How to approach a rolling average calculation
2. SQL functions for time-based aggregations
3. Tips for handling edge cases in the data
💡 Stay tuned for more interview prep videos!

#SQL #Python #RollingAverage #DataAnalysis #Analytics #SQLInterview #TimeSeries #CodeFlowWithChetan #SQLTutorial #InterviewPrep

Видео Mastering SQL: Calculating Last 3 Months Rolling Average Sales #SQL #RollingAverage канала QueryCoders