📋 Quick Reference Guides
SQL Commands Cheatsheet
Essential SQL commands and syntax at a glance
- SELECT, FROM, WHERE
- JOIN operations
- Aggregate functions
- GROUP BY, ORDER BY
Data Types Reference
Complete guide to SQL data types
- Numeric types
- String types
- Date and time types
- Boolean and special types
JOIN Types Visual Guide
Visual diagrams of different JOIN operations
- INNER JOIN diagrams
- LEFT/RIGHT JOIN examples
- FULL OUTER JOIN
- Cross join explained
🛠️ Recommended Tools
💾
MySQL Community Server
Free, open-source database server perfect for learning and development
Download →
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📊
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📚 Recommended Reading
📖
SQL in 10 Minutes
by Ben Forta
Quick, practical lessons for beginners to get up to speed fast
📘
Learning SQL
by Alan Beaulieu
Comprehensive guide from basics to advanced concepts
📕
Database Design
by Adrienne Watt
Learn to design effective and efficient database structures
🌐 Online Resources
- W3Schools SQL Tutorial - Interactive SQL tutorial with examples
w3schools.com/sql - SQLBolt - Interactive lessons and exercises
sqlbolt.com - Mode SQL Tutorial - SQL for data analysis
mode.com/sql-tutorial - LeetCode Database - SQL practice problems
leetcode.com/problemset/database - HackerRank SQL - Coding challenges for SQL
hackerrank.com/domains/sql
💡 Study Tips
Practice Daily
Consistency is key. Spend at least 20-30 minutes each day writing SQL queries.
Learn by Doing
Don't just read examples - type them out and experiment with variations.
Build Projects
Apply your skills to real projects. Design a database for something you're interested in.