✅ Free Resources to Learn SQL in 2025 🧠📚

1. YouTube Channels
• freeCodeCamp – Comprehensive SQL courses
• Simplilearn – SQL basics and advanced topics
• CodeWithMosh – SQL tutorial for beginners
• Alex The Analyst – Practical SQL for data analysis

2. Websites
• W3Schools SQL Tutorial – Easy-to-understand basics
• SQLZoo – Interactive SQL tutorials with exercises
• GeeksforGeeks SQL – Concepts, interview questions, and examples
• LearnSQL – Free courses and interactive editor

3. Practice Platforms
• LeetCode (SQL section) – Interview-style SQL problems
• HackerRank (SQL section) – Challenges and practice problems
• StrataScratch – Real-world SQL questions from companies
• SQL Fiddle – Online SQL sandbox for testing queries

4. Free Courses
• Khan Academy: Intro to SQL – Basic database concepts and SQL
• Codecademy: Learn SQL (Basic) – Interactive lessons
• Great Learning: SQL for Beginners – Free certification course
• Udemy (search for free courses) – Many introductory SQL courses often available for free

5. Books for Starters
• “SQL in 10 Minutes, Sams Teach Yourself” – Ben Forta
• “SQL Practice Problems: 57 Problems to Test Your SQL Skills” – Sylvia Moestl Wasserman
• “Learning SQL” – Alan Beaulieu

6. Must-Know Concepts
• SELECT, FROM, WHERE, GROUP BY, HAVING, ORDER BY
• JOINs (INNER, LEFT, RIGHT, FULL)
• Subqueries, CTEs (Common Table Expressions)
• Window Functions (RANK, ROW_NUMBER, LEAD, LAG)
• Basic DDL (CREATE TABLE) and DML (INSERT, UPDATE, DELETE)

💡 Practice consistently with real-world scenarios.

💬 Tap ❤️ for more!