Skill Topic · Cinematic

📘 SQL HAVING - Groups Ko Filter Karna

HAVING clause se tum GROUP BY ke results ko filter kar sakte ho — jaise sirf woh countries dikhao…

Overview

📘 SQL HAVING - Groups Ko Filter Karna — Quick Facts

📌

OrderID: CustomerID

🎯

101: 1

⚡

102: 2

🔑

103: 3

Topic 1

📌 HAVING Kya Hai?

📚 HAVING clause GROUP BY ke baad groups ko filter karta hai. WHERE individual rows filter…

Topic 2

📌 HAVING Syntax

💡 `sql SELECT column(s), aggregate_function(column) FROM table_name WHERE condition -- rows…

Topic 3

📌 Demo Database

Topic 4

📌 Basic HAVING — COUNT Filter

⭐ `sql -- Sirf woh countries jinke 2 se zyada orders hain SELECT Country, COUNT(*) AS…

Topic 5

📌 HAVING With SUM

🔑 `sql -- Countries jinki total revenue 10000 se zyada hai SELECT Country, COUNT(*) AS…

Topic 6

📌 HAVING With AVG

✨ `sql -- Countries jinka average order value 5000 se zyada hai SELECT Country, COUNT(*) AS…

Topic 7

📌 WHERE + HAVING Together

🌟 `sql -- Step 1 (WHERE): Sirf 2024-02-01 ke baad ke orders lo -- Step 2 (GROUP BY):…

Topic 8

📌 WHERE vs HAVING — Detailed Comparison

🚀 | Feature | WHERE | HAVING | |---------|-------|--------| | Kab run | GROUP BY se PEHLE |…

Topic 9

📌 HAVING Without GROUP BY

📚 `sql -- Total orders check karo (sab ek group) SELECT COUNT(*) AS TotalOrders FROM Orders…

Topic 10

📌 HAVING With JOIN

💡 `sql -- Customers jinke 2 se zyada orders hain SELECT c.CustomerName, COUNT(o.OrderID) AS…

Topic 11

📌 Multiple HAVING Conditions

🎯 `sql -- Countries jinke 2+ orders hain AUR average order 3000+ hai SELECT Country,…

Topic 12

📌 Complete SQL Clause Order

⭐ ` SQL Statement Order (MUST follow): ┌────────────────────────────────────┐ │ SELECT ←…

Topic 13

✅ Summary

🔑 KEY POINTS: - HAVING GROUP BY ke baad groups ko filter karta hai - WHERE rows filter…

Comparison

📌 WHERE vs HAVING — Detailed Comparison

⚖️

Kab run: GROUP BY se PEHLE

⚖️

Kya filter: Individual rows

⚖️

Aggregate use: ❌ Nahi kar sakta

Quick Quiz

Quiz — Question 1

📘 SQL HAVING - Groups Ko Filter Karna ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

📘 SQL HAVING - Groups Ko Filter Karna ka '101' kya hai?

Complete! 🎉

📘 SQL HAVING - Groups Ko Filter Karna Complete!

Aliens School · HIEN · Cinematic Knowledge

✅