📚 Table of Contents – Master SQL, Step by Step:

Introduction

• Why This Cheatsheet is a Game Changer

Chapter 1: Basic Queries – The Foundation

• 🔎 Fetching Data: SELECT, FROM

• 🎯 Filtering Records: WHERE

• ✍️ Using Aliases: AS

• 📊 Sorting Results: ORDER BY

• ⛔ Limiting Rows: LIMIT / TOP

Chapter 2: Powerful Filtering with Operators

• 🧮 Comparison Operators: =, !=, >, <

• 🔗 Logical Operators: AND, OR, NOT

• 🎯 Special Operators: IN, BETWEEN, LIKE, IS NULL

Chapter 3: DML – Data Manipulation Language

• ➕ Adding Records: INSERT INTO

• 🛠️ Modifying Records: UPDATE

• ❌ Deleting Records: DELETE

Chapter 4: DDL – Data Definition Language

• 🧱 Creating Tables: CREATE TABLE

• 🔄 Altering Tables: ALTER TABLE

• 💣 Dropping Tables: DROP TABLE

Chapter 5: Aggregation & Grouping – Summarizing Data

• 📈 Aggregate Functions: COUNT, SUM, AVG, MIN, MAX

• 📦 Grouping Results: GROUP BY

• 🚫 Filtering Groups: HAVING

Chapter 6: Joining Tables – Connecting Data Across Tables

• 🤝 INNER JOIN – Intersection Only

• 👈 LEFT JOIN – All from the Left

• 👉 RIGHT JOIN – All from the Right

• 🌐 FULL OUTER JOIN – Everything Connected

Chapter 7: Advanced Concepts – The Real Game Changers

• 🔗 Combining Results: UNION, UNION ALL

• 🧠 Conditional Logic: CASE Statements

• 🔍 Nested Queries: Subqueries

• 📘 Clean Complex Queries: CTEs (Common Table Expressions)

Chapter 8: The SQL Interview Arsenal

• 🧱 Part 1: The Fundamentals – Strengthen Your Core

• 🧩 Part 2: Essential Challenges – Conquer Common Interview Problems

• 🕸️ Part 3: The JOIN Maze – Master Complex Relationships

• ⚡ Part 4: Performance & Optimization – Build Smarter, Faster Queries

• 🎯 Part 5: Advanced & Edge Cases – Stand Out from the Crowd

Chapter 9: Top 100 Most Asked Interview Questions (with Answers)

Get real questions with clear answers to boost your confidence in interviews.

✨ Whether you're just starting or prepping for high-stakes interviews —
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