This is a complete step-by-step journey — from scratch to advanced — filled with practical examples, relatable scenarios, and short quizzes after each topic to solidify your learning. Here’s the 5-Week Plan: Week 1: SQL Fundamentals (No Prior Knowledge Needed) - What is SQL? Real-world Use Cases - Databases vs Tables - SELECT Queries — The Heart of SQL - Filtering Data with WHERE - Sorting with ORDER BY - Using DISTINCT and LIMIT - Basic Arithmetic and Column Aliases Week 2: Aggregations & Grouping - COUNT, SUM, AVG, MIN, MAX — When and How - GROUP BY — The Right Way - HAVING vs WHERE - Dealing with NULLs in Aggregations - CASE Statements for Conditional Logic *Week 3: Mastering JOINS & Relationships* - Understanding Table Relationships (1-to-1, 1-to-Many) - INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL OUTER JOIN - Practical Examples with Two or More Tables - SELF JOIN & CROSS JOIN — What, When & Why - Common Join Mistakes & Fixes Week 4: Advanced SQL Concepts - Subqueries: Writing Queries Inside Queries - CTEs (WITH Clause): Cleaner & More Readable SQL - Window Functions: RANK, DENSE_RANK, ROW_NUMBER - Using PARTITION BY and ORDER BY - EXISTS vs IN: Performance and Use Cases Week 5: Real-World Scenarios & Interview-Ready SQL - Using SQL to Solve Real Business Problems - SQL for Sales, Marketing, HR & Product Analytics - Writing Clean, Efficient & Complex Queries - Most Common SQL Interview Questions like: “Find the second highest salary” “Detect duplicates in a table” “Calculate running totals” “Identify top N products per category” - Practice Challenges Based on Real Interviews React with ❤️ if you're ready for this series Join our WhatsApp channel to access it: https://whatsapp.com/channel/0029VarNMVMJP21BOw74pl0S