Keys In SQL | Super Key | Candidate Key | Foreign Key | SQL Tutorial | Simplilearn

Welcome to our comprehensive guide on SQL Keys! 🚀 In this video, we dive deep into the world of Database Management Systems, exploring the crucial concept of keys and their role in structuring and maintaining relational databases.

🔍 Key Topics Covered:

Primary Key (PK): Learn how to uniquely identify each record in a table and enforce data integrity.
Foreign Key (FK): Understand the magic behind relationships, linking tables, and maintaining referential integrity.
Unique Key: Explore the importance of ensuring data uniqueness and how unique keys play a pivotal role.
Composite Key: Unravel the concept of using multiple columns as a key and its practical applications.
Surrogate Key vs. Natural Key: Delve into the debate of using system-generated keys versus natural keys, weighing the pros and cons.
Candidate Key: Discover the different keys that could potentially serve as a primary key and how to choose the most suitable one.
Super Key: Explore the broader concept of super keys and their significance in database design.

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