Primary Key vs Unique Key in SQL Server | Differences with Real-Time Examples скачать в хорошем качестве

Primary Key vs Unique Key in SQL Server | Differences with Real-Time Examples

In this video, you will learn the difference between Primary Key and Unique Key in SQL Server with clear explanations and real-time table examples. This tutorial explains how Primary Key and Unique Key work internally, their rules, differences, and where to use them in real-world database design. 🔹 Topics Covered in This Video: ✔ What is Primary Key in SQL Server ✔ What is Unique Key / Unique Constraint ✔ Primary Key vs Unique Key Differences ✔ NULL values in Primary Key vs Unique Key ✔ One Primary Key vs Multiple Unique Keys ✔ Real-Time Table Example ✔ INSERT Valid & Invalid Examples 🔹 Real-Time Example: ✔ User Table ✔ Email & Aadhaar Unique Constraint 🔹 Why This Video is Important: Primary Key and Unique Key differences are one of the MOST ASKED questions in SQL Server & DBMS interviews. 🔹 Who Should Watch This: 🎯 SQL Beginners 🎯 College Students 🎯 Interview Candidates 🎯 Backend Developers 🎯 ASP.NET / Java Developers 👍 Like | 💬 Comment | 🔔 Subscribe for more SQL Server & DBMS tutorials #PrimaryKeyVsUniqueKey #SQLServer #PrimaryKey #UniqueKey #SQLInterviewQuestions #DBMS #SQLConstraints #SQLForBeginners #RealTimeExample #DatabaseDesign