Skill Topic · Cinematic

📊 Topic 04: SELECT Queries — Data Nikalo!

"SELECT is the most powerful word in SQL." — Every DBA "Database me data daala? Ab nikalo! SELECT…

Overview

📊 Topic 04: SELECT Queries — Data Nikalo! — Quick Facts

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name: marks

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Rahul Sharma: 85

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Priya Singh: 92

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Amit Kumar: 78

Topic 1

Sample Data (Yeh Pehle Se Hai):

📊 `sql -- Agar nahi hai to pehle banao aur data daalo: USE practice_db; -- Students table…

Topic 2

1. SELECT * — Sab Kuch Dikha

💾 Basic Syntax: sql -- Sab columns, sab rows SELECT * FROM table_name; Examples: `sql --…

Topic 3

2. SELECT Specific Columns

🗄️ Kuch Hi Columns Chahiye: `sql -- ═══════════════════════════════════════════ -- Sirf naam…

Topic 4

3. WHERE — Filter Karo

📈 Basic WHERE: `sql -- ═══════════════════════════════════════════ -- Sirf specific data…

Topic 5

4. Comparison Operators

🔍 ` ┌──────────────────────────────────────────────────────┐ │ COMPARISON OPERATORS │…

Topic 6

5. ORDER BY — Sort Karo

📉 Ascending (Default — Chhota Se Bada): `sql -- ═══════════════════════════════════════════…

Topic 7

6. LIMIT & OFFSET — Page Karo

🧮 LIMIT — Kitne Results Chahiye: `sql -- ═══════════════════════════════════════════ -- Top…

Topic 8

7. DISTINCT — Unique Values

🌐 Duplicate hatao, sirf unique values dikha: `sql --…

Topic 9

8. Aliases — Naam Badlo

📊 Column ya table ka temporary naam de do: Column Alias: `sql --…

Topic 10

9. Combining It All — Complete Queries

💾 Query 1: Top Mumbai Students `sql -- Mumbai ke top 3 students marks ke hisab se SELECT…

Topic 11

10. Key Points

🗄️ ` ╔══════════════════════════════════════════════════════╗ ║ 📝 KEY POINTS ║…

Topic 12

📝 Practice Exercises

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Products table se data nikale

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Category 'Electronics' ho

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Price ₹500 se zyada ho

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Price ke hisab se sort ho (sasta…

Topic 13

🧭 Navigation

🔍 | Previous | Index | Next | |----------|-------|------| | ← INSERT Data | 📚 Course Index…

Quick Quiz

Quiz — Question 1

📊 Topic 04: SELECT Queries — Data Nikalo! ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

📊 Topic 04: SELECT Queries — Data Nikalo! ka 'Rahul Sharma' kya hai?

Complete! 🎉

📊 Topic 04: SELECT Queries — Data Nikalo! Complete!

Aliens School · HIEN · Cinematic Knowledge

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