SQL Constraints Explained | PRIMARY KEY, FOREIGN KEY,UNIQUE,NOT NULL,CHECK&DEFAULT | SQL Series Ep 3

Опубликовано: 20 Июль 2026
на канале: Rahul
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🚀 Welcome to SQL Series - Episode 3!

In this video, you’ll learn everything about SQL Constraints with practical examples. Constraints help maintain data accuracy, consistency, and integrity in your database.

📚 Topics Covered:

✅ PRIMARY KEY
✅ FOREIGN KEY
✅ UNIQUE Constraint
✅ NOT NULL Constraint
✅ CHECK Constraint
✅ DEFAULT Constraint

Whether you’re preparing for SQL interviews, learning MySQL, or starting your Data Analytics/Data Science journey, this video is for you.

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