Skill Topic · Cinematic

📘 SQL CASE - Conditional Logic (IF-ELSE jaisa)

CASE expression se tum SQL me IF-ELSE jaisa logic laga sakte ho — conditions check karke different…

Overview

📘 SQL CASE - Conditional Logic (IF-ELSE jaisa) — Quick Facts

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ProductID: ProductName

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1: Keyboard

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2: Mouse

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3: Monitor

Topic 1

📌 CASE Kya Hai?

🤖 CASE expression conditions check karta hai aur pehli TRUE condition ka result return…

Topic 2

📌 CASE Syntax — Two Forms

🧠 Searched CASE (zyada common): `sql CASE WHEN condition1 THEN result1 WHEN condition2 THEN…

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📌 Demo Database

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📌 Basic CASE — Price Category

⚡ `sql SELECT ProductName, Price, CASE WHEN Price > 10000 THEN 'Premium' WHEN Price > 500…

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📌 CASE — Stock Status

🎯 `sql SELECT ProductName, Stock, CASE WHEN Stock = 0 THEN '❌ Out of Stock' WHEN Stock < 10…

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📌 Simple CASE (Value Match)

🔮 `sql -- Category ke basis pe label SELECT ProductName, CASE Category WHEN 'Electronics'…

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📌 CASE In ORDER BY

🌐 `sql -- Custom sorting: Out of stock pehle, phir low stock, phir baaki SELECT…

Topic 8

📌 CASE In WHERE (Rare but possible)

📊 `sql -- Dynamic filter based on condition SELECT ProductName, Price FROM Products WHERE (…

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📌 CASE With Aggregates

🤖 `sql -- Category-wise stock summary SELECT SUM(CASE WHEN Stock = 0 THEN 1 ELSE 0 END) AS…

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📌 CASE With UPDATE

🧠 `sql -- Bulk price update based on category UPDATE Products SET Price = CASE WHEN…

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📌 Nested CASE

💡 `sql SELECT ProductName, Price, Category, CASE Category WHEN 'Electronics' THEN CASE WHEN…

Topic 12

📌 CASE Important Rules

⚡ ` CASE Rules: ┌──────────────────────────────────────────────────┐ │ │ │ 1. Pehli TRUE…

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📌 CASE vs IIF (SQL Server)

🎯 `sql -- SQL Server IIF (simple ternary): SELECT ProductName, IIF(Stock > 0, 'Available',…

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✅ Summary

🔮 KEY POINTS: - CASE SQL ka IF-ELSE hai — conditions check karke results return karo -…

Quick Quiz

Quiz — Question 1

📘 SQL CASE - Conditional Logic (IF-ELSE jaisa) ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

📘 SQL CASE - Conditional Logic (IF-ELSE jaisa) ka '1' kya hai?

Complete! 🎉

📘 SQL CASE - Conditional Logic (IF-ELSE jaisa) Complete!

Aliens School · HIEN · Cinematic Knowledge

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