Search⌘ K
AI Features
Home
Courses
Getting Started with SQL and Relational Databases

Challenge: Apply Foreign Keys to Tables

Understand how to apply foreign keys in MySQL tables using an entity relationship diagram for a students database. Learn to set mandatory fields, unique constraints, and enforce relationships to ensure data integrity.

We'll cover the following...

ERD

Create a students database using the following entity relationship diagram.

Problem Statement

Some things that may not be obvious from the diagram are the following:

  1. All id columns are mandatory and are primary keys that take values automatically
...