Composite Key & Foreign Key in DBMS | Complete Explanation with Best Examples

📘 In this lecture, you'll learn Composite Key and Foreign Key in DBMS from basic to advanced using simple and practical examples. This lecture is specially designed for: ✅ UGC NET Computer Science ✅ GATE CSE ✅ BCA ✅ B.Tech CSE ✅ MCA ✅ University Semester Exams ✅ Placement & Technical Interviews 🎯 Topics Covered: ✔ What is a Composite Key? ✔ Characteristics of Composite Keys ✔ Real-world Composite Key Examples ✔ What is a Foreign Key? ✔ Referential Integrity ✔ Parent Table & Child Table ✔ Primary Key vs Composite Key vs Foreign Key ✔ SQL Examples ✔ Previous Year Exam Concepts ✔ Interview-Oriented Questions By the end of this lecture, you'll be able to confidently solve numerical, conceptual, and interview questions related to Composite Keys and Foreign Keys. 📚 Follow the complete DBMS playlist for all important concepts required for UGC NET, GATE, university exams, and placements. 👍 If you find this lecture helpful: • Like the video • Share it with your friends • Subscribe to CS Geek 4U • Turn on the notification bell so you never miss a lecture. #DBMS #CompositeKey #ForeignKey #PrimaryKey #UGCNET #GATECSE #ComputerScience #BCA #BTech #MCA #SQL #DatabaseManagementSystem #PlacementPreparation #CSGeek4U