Tutorial (SQL): When to use GROUP BY, WHERE, and HAVING

Dive into the world of SQL with this comprehensive guide designed to demystify GROUP BY, WHERE, and HAVING clauses. Whether you're gearing up for a data analysis job interview or just looking to sharpen your SQL skills, this tutorial is for you. I break down each clause with clear explanations and practical examples, helping you understand not just the 'how' but also the 'why' behind their use. This video is ideal for aspiring data analysts and software developers who want to excel in their SQL capabilities. 🔎 What you'll learn: - The correct use of GROUP BY to aggregate data - How to filter datasets with WHERE before aggregation - The use of HAVING to filter after aggregation - Common mistakes and how to avoid them 👉 Don't forget to turn on subtitles for additional clarity, especially if you're finding my accent challenging. ✨ If you find this video helpful, please hit the 'Like' button and consider subscribing for more SQL tutorials and data analysis insights. For any questions, drop a comment below! Table of Contents: 00:25 - Introduction 01:09 - Database used 01:56 - Using GROUP BY 04:05 - The limitations of WHERE 04:53 - HAVING 07:34 - Execution order in SQL 08:38 - Conclusion 🌐 Read the article about this on my blog: https://www.michelebedin.com/en/sql-tutorial-when-use-groupby-where-having