SQL Aggregate Functions Explained — COUNT, SUM, AVG, MAX, MIN & GROUP BY | Ep.05

In this video you learn all 5 aggregate functions plus GROUP BY and HAVING. By the end you'll be writing queries that generate actual insights from data. 📂 RESOURCES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SQL scripts from this video → https://github.com/adityasonardata/SQ... 📌 WHAT YOU WILL LEARN ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✅ COUNT — count rows and non-null values ✅ COUNT(*) vs COUNT(column) — the difference matters ✅ SUM — add up values across rows ✅ AVG — calculate averages with ROUND ✅ MAX & MIN — find highest and lowest values ✅ Combining all 5 in one summary query ✅ GROUP BY — get results per city, category, status ✅ GROUP BY multiple columns ✅ HAVING — filter groups after aggregation ✅ WHERE vs HAVING — when to use which one ✅ SQL execution order — the full picture ✅ Real analyst queries ⏱️ TIMESTAMPS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 00:00 — Introduction 01:00 — COUNT — counting rows 03:30 — SUM — adding up values 05:00 — AVG — calculating averages 06:30 — MAX & MIN — highest and lowest 08:05 — Combining all 5 functions 09:30 — GROUP BY 12:27 — HAVING — filter groups 13:35 — SQL execution order 15:50 — WHERE vs HAVING explained 20:22 — Real analyst queries 21:21 — Recap & What's Next 🔔 STAY CONNECTED ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Connect with me :   / adityassonar   Subscribe and hit the bell — new episodes drop regularly. Got a question? Drop it in the comments. I reply to every one. #sql #mysql #sqltutorial #sqlforbeginners #learnsql