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.
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