JOINS

                                                                            SQL Joins When working with relational databases, data is often stored in multiple tables. To combine this data meaningfully, we use  SQL Joins . In this article, we will understand:         ✅  INNER JOIN ✅  LEFT JOIN ✅  RIGHT JOIN ✅  CROSS JOIN Using simple and  examples:  📘  Example Tables Notice :     Student Devi (dept_id 40) has no matching department. Department MECH (dept_id 50) has no students. 🔹  1. INNER JOIN 📌   Definitio Returns only the matching records from both tables.  Query: SELECT s.stu dent_id, s.name, d.dept_name FROM Student s INNER JOIN Department d ON s.dept_id = d.dept_id; EXACT OUTPUT: Expl...