6, SQL Database Relationships Explained with Examples.
SQL Database Relationships Explained with Examples
In this session, we dive into one of the core concepts of relational databases — SQL relationships! Learn how different tables in a database are connected through One-to-One, One-to-Many, and Many-to-Many relationships, with clear SQL examples and table designs.
💡 We’ll cover:
✅ What are SQL relationships
✅ One-to-One relationship (with UNIQUE and FOREIGN KEY)
✅ One-to-Many relationship (foreign key in the “many” side)
✅ Many-to-Many relationship using a Junction Table
✅ Real SQL table creation examples for each case
✅ Tips for ensuring referential integrity and preventing duplication
📌 Perfect for beginners and intermediate SQL learners looking to build a solid understanding of relational database design.
🧠 Learn how to structure your data smartly and avoid common design pitfalls.
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