Primary Key vs Foreign Key (Simple Explanation)
🎯 Primary Key vs Foreign Key finally made simple!
In this beginner-friendly video, I break down exactly how Primary Keys and Foreign Keys work using real student-course examples on the whiteboard.
✅ Understand database relationships
✅ Connect tables like a pro
✅ Avoid common SQL mistakes
In this video, you’ll learn:
• What a Primary Key is
• What a Foreign Key is
• The difference between them
• How tables connect in databases
Perfect for data analysts, SQL learners, students, and anyone working with databases.
👉 Subscribe to The Thinking Analyst for more practical data & analytics tutorials!
DataEre coming soon → Practice data skills in a better way.
#sql #primarykey #foreignkey #database #dataanalytics #sqlforbeginners