MySQL Joins Explained with Examples
Are you struggling to understand Joins in MySQL? In this video, we will explore what joins are, why they are important, and how to use them with real-world examples!
📌 Topics Covered:
✅ What are Joins in MySQL?
✅ Types of Joins: INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN
✅ Practical Examples with SQL Queries
✅ Best Practices for Using Joins
Whether you're a beginner or an experienced developer, this tutorial will simplify joins in MySQL and help you write efficient queries.
Used Contents :-
CREATE TABLE departments (
id INT PRIMARY KEY AUTO_INCREMENT,
department_name VARCHAR(50) NOT NULL
);
CREATE TABLE employees (
id INT PRIMARY KEY AUTO_INCREMENT,
name VARCHAR(50) NOT NULL,
department_id INT,
FOREIGN KEY (department_id) REFERENCES departments(id)
);
INSERT INTO departments (department_name) VALUES
('HR'),
('IT'),
('Finance'),
('Marketing');
INSERT INTO employees (name, department_id) VALUES
('Alice', 1), -- HR
('Bob', 2), -- IT
('Charlie', 2), -- IT
('David', 3), -- Finance
('Eve', NULL); -- No department
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