29 GROUP BY and HAVING in SQL Server | Aggregations Explained with Examples

In this video, you will learn GROUP BY and HAVING clauses in SQL Server — two powerful tools used for summarizing and filtering aggregated data. Complete playlist is here: https://www.youtube.com/playlist?list=PLKFKd7UiwVxMiV9Cy7gaF8A_ylx4FuFA9 Whether you are preparing for interviews, learning SQL from scratch, or working with real-world reporting queries, this tutorial will teach you everything you need in a clear and simple way. ✅ What You Will Learn What is GROUP BY in SQL Server Why we use GROUP BY How HAVING works with GROUP BY Difference between WHERE and HAVING Real-world examples & business use cases How to group by multiple columns Mistakes beginners must avoid group by sql server having clause sql server sql group by tutorial sql having explained group by and having sql server sql server tutorial for beginners aggregate functions sql count sum avg sql difference between where and having t sql tutorial sql data grouping sql interview questions learn sql server step by step sql basics for beginners backend developer sql