Скачать или смотреть What is a Primary Key in DBMS? | Database Constraints Explained.

Welcome back to Code with Ash! 💻 Today, we are cracking one of the most important concepts in DBMS: The Primary Key.

Imagine a classroom without Roll Numbers—it would be chaos, right? That’s exactly what happens to a database without a Primary Key. In this video, I explain exactly what a Primary Key is, why it is mandatory for a good database design, and how it is different from a Unique Key.

📝 What we cover in this video:

What is a Primary Key? (Definition & Real-world Example).

The 2 Golden Rules: Unique & Not Null.

How to set a Primary Key in SQL (Syntax).

Primary Key vs. Unique Key: The #1 Interview Question!

Simple vs. Composite Primary Keys.

👍 Support the Channel: If you want to master coding and databases, make sure to Subscribe to Code with Ash and hit the bell icon! Let me know in the comments if you have any doubts.

🔗 Connect with me: Use the links below to follow me for more notes and updates!

Instagram: [ theayush3031 (ASH) ]

Email: [ [email protected] ]

WhatsApp no.: [ +91960474761 ]

#PrimaryKey #DBMS #SQL #CodeWithAsh #DatabaseConstraints #UniqueKey #Engineering #BTech #ComputerScience #SQLInterview #DatabaseDesign #LearnToCode

👍 Don't forget to: Like the video if you found it helpful, Share it with your batchmates, and Subscribe for more Engineering content!

#DBMS #SQL #DatabaseManagementSystem #Engineering #ComputerScience #Coding #SQLforBeginners #BTech #SoftwareEngineering #WebDevelopment #Placements #CodingInterview #LearnToCode #DataScience #EngineeringExams