SQL Tutorial Part 4 | Joins in SQL

Welcome to SQL Tutorial Part 4 - in this session, we’ll explore Joins in SQL. Joins allow you to combine data from multiple tables, making queries more powerful and meaningful. 🔑 What you’ll learn in this video: 1. What are SQL joins? 2. Types of joins – INNER, LEFT, RIGHT, FULL 3. How joins work with real‑world examples 4. Best practices for writing join queries 🎯 Who is this for? 1. Beginners learning SQL step by step 2. Students preparing for exams or interviews 3. Developers refreshing their database fundamentals By the end of this video, you’ll be confident in using SQL joins to combine and analyze data across multiple tables, a key skill for database management and query optimization. Codes - Inner Join SELECT s.ID, s.Name, g.GenderName FROM Students s INNER JOIN Gender g ON s.GenderID = g.GenderID; Left Join SELECT s.ID, s.Name, g.GenderName FROM Students s LEFT JOIN Gender g ON s.GenderID = g.GenderID; Right Join SELECT s.ID, s.Name, g.GenderName FROM Students s RIGHT JOIN Gender g ON s.GenderID = g.GenderID; Full Join SELECT s.ID, s.Name, g.GenderName FROM Students s FULL JOIN Gender g ON s.GenderID = g.GenderID; INNER JOIN Gender g ON s.GenderID = g.GenderID;