1️⃣ Basics → What is SQL, Databases, Tables
2️⃣ CRUD → SELECT, INSERT, UPDATE, DELETE
3️⃣ Filtering → WHERE, ORDER BY, LIMIT
4️⃣ Joins → INNER, LEFT, RIGHT, FULL
5️⃣ Functions → COUNT, SUM, AVG, MIN, MAX
6️⃣ Grouping → GROUP BY, HAVING
7️⃣ Advanced → Subqueries, CTE, Window Functions
8️⃣ Practice → Real-world queries & projects
