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SQL Reference Hub | Functions, Keywords, & Cheat Sheets

SQL Reference Hub 📚¶

Mentor's Note: Even professional developers don't memorize everything! This hub is your "Second Brain". Use it to quickly look up syntax, function names, and common patterns while you are coding. 💡

🛠️ Quick Lookup Tools¶

1. Functions Library 🧮¶

String Functions: Formatting text (UPPER, SUBSTR, TRIM).
Date Functions (Coming Soon): Handling time and calendars.
Math Functions (Coming Soon): Rounding, Absolute values, and Power.

2. Syntax Guides 📋¶

SQL Quick Reference (Cheat Sheet): A one-page summary of every major command.
Keywords Reference: A dictionary of SQL's reserved words.

3. Practice & Polish 🏆¶

SQL Quiz & Exercises: Test your knowledge before the exam!
Solved Examples: Real-world logic puzzles solved with SQL.

🎨 Visual Logic: The Developer's Workflow¶

graph LR
    A[Coding Task 💻] --> B{Stuck?}
    B -- Yes --> C[Search Reference Hub 🔍]
    C --> D[Find Syntax/Example ✅]
    D --> E[Finish Task 🚀]

📈 Learning Path¶