Primary Key Constraint in SQL | What is Primary Key with Examples | SQL Tutorial скачать в хорошем качестве

Primary Key Constraint in SQL | What is Primary Key with Examples | SQL Tutorial

Primary Key Constraint in SQL | What is Primary Key with Examples | SQL Tutorial In this video, you will learn Primary Key Constraint in SQL in a simple and clear way. We explain what is a primary key, why it is used, and how to create a primary key in SQL using real examples. This tutorial is perfect for: SQL beginners Students preparing for interviews Anyone learning SQL constraints 📌 Topics covered in this video: What is Primary Key in SQL Rules of Primary Key constraint How to create Primary Key Primary Key with examples Difference between Primary Key and Unique Key (brief) If you are learning SQL, DBMS, or Database concepts, this video will help you build a strong foundation. 👉 Don’t forget to Like 👍, Share 🔁 and Subscribe 🔔 for more SQL tutorials.