SQL Constraints Explained | PRIMARY KEY, FOREIGN KEY, UNIQUE, NOT NULL | SQL Tutorial Day 7
🚀 Welcome to Day 7 of the SQL Tutorial Series by Coding.Bytes1!
In this video, you'll learn SQL Constraints, which help maintain data accuracy and integrity in databases.
📚 Topics Covered:
✅ PRIMARY KEY
✅ FOREIGN KEY
✅ UNIQUE
✅ NOT NULL
✅ CHECK
✅ DEFAULT
Practical SQL Examples
Interview Tips
🎯 This video is perfect for:
SQL Beginners
College Students
Data Analysts
Backend Developers
Interview Preparation
💡 By the end of this video, you'll understand how SQL constraints ensure clean, reliable, and consistent data.
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