SQL GROUP BY: WHERE vs HAVING Explained Clearly скачать в хорошем качестве

SQL GROUP BY: WHERE vs HAVING Explained Clearly

Understanding the difference between WHERE and HAVING in SQL is essential for writing accurate business reports and summaries. In this tutorial, we break down SQL GROUP BY logic step-by-step and explain how row-level filtering differs from group-level filtering. SELECT customer, SUM(purchases) AS TotalPurchases FROM sales WHERE city = 'Karachi' GROUP BY customer HAVING SUM(purchases) > 10; This video is for educational and informational purposes only. Results may vary. No guarantees or endorsements are made. #SQL #LearnSQL #TechSkills 🛠️ Behind the Scenes & Production Original Script & Research: This video was researched and written by me. I spend roughly 4 hours researching and building tool, PPTs and created professional video to ensure the information is accurate and provides unique value to my viewers. I added animated icons to engage viewers. I cross-referenced data from Google, ChatGPT and reference books while researching on the topic.