Скачать или смотреть 6. Primary Key vs Foreign Key in SQL – Simple Explanation with Diagrams

Confused about the difference between primary keys and foreign keys in SQL? This video makes it easy. Learn how primary keys uniquely identify rows in a table, while foreign keys create connections between tables — helping databases stay organized, relational, and consistent. We use simple language and clear diagrams to explain how keys work in tables like Customers and Orders. Whether you're a student, beginner developer, or preparing for an interview, this is the explanation you’ve been looking for.

👉 Read the full blog post here:
https://exploretoday.blog/primary-key...

💬 Comment below if this helped you understand SQL keys better — and don’t forget to like, subscribe, and hit the bell for more database tutorials!

#SQLKeys #PrimaryKeyVsForeignKey #LearnSQL #DatabaseRelationships #SQLDiagrams #SQLForBeginners #ExploreTodayBlog #RelationalDatabases