├── 🧠 Introduction to Databases & What is SQL
├── 🛠️ Installing SQL Tools (MySQL, SQLite, PostgreSQL, DBeaver)
├── 📄 Understanding Tables, Rows, Columns & Data Types
├── 🔍 SELECT Statement – Fetching Data
├── 🎯 WHERE Clause – Filtering Records
├── 📊 ORDER BY – Sorting Results
├── 🎛️ LIMIT / TOP – Restricting Output
├── ✍️ INSERT INTO – Adding New Data
├── 🔄 UPDATE – Modifying Existing Data
├── ❌ DELETE – Removing Data
├── 🏗 CREATE, ALTER, DROP Tables
├── 🔗 SQL JOINS – INNER, LEFT, RIGHT, FULL OUTER
├── 🧮 Aggregate Functions – COUNT, SUM, AVG, MIN, MAX
├── 🧱 GROUP BY & HAVING – Grouped Calculations
├── 🔁 Subqueries – Nested SQL Queries
├── 🧠 CASE Statements – Conditional Logic
├── 🛡 Constraints – PRIMARY KEY, FOREIGN KEY, NOT NULL
├── 🚀 Practice Projects – Library DB, Sales Report, Student Records
├── 📈 Next Steps – Indexing, Views, Triggers, Stored Procedures
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