What is the concept of joins in MySQL?
In MySQL, a "join" is a database operation that combines rows from two or more tables based on a related column between them. Joins are used to retrieve data from multiple tables by specifying how the tables are related and how the data should be combined. There are several types of joins in MySQL: INNER JOIN: Explanation: Returns only the matching rows from both tables. Syntax: SELECT columns FROM table1 INNER JOIN table2 ON table1.column = table2.column; Example: SELECT orders.order_id, customers.customer_name FROM orders INNER JOIN customers ON orders.customer_id = customers.customer_id; LEFT JOIN (LEFT OUTER JOIN): Explanation: Returns all rows from the left table and matching rows from the right table. Syntax: SELECT columns FROM table1 LEFT JOIN table2 ON table1.column = table2.column; Example: SELECT customers.customer_name, orders.order_id FROM customers LEFT JOIN orders ON customers.customer_id = orders.customer_id; RIGHT JOIN (RIG...