How to Create Multiple Foreign Keys on the Same Table in phpMyAdmin

Introduction to Foreign Keys in Database Management

Database relationships are crucial for maintaining data integrity and establishing connections between different tables. In this tutorial, we'll explore how to create multiple foreign keys within the same table using phpMyAdmin, a powerful database management tool.

Understanding the Scenario

The tutorial demonstrates creating foreign keys using three tables: users, groups, and contacts. This approach allows you to establish multiple relationships within a single table, providing flexibility in database design.

Key Concepts Covered:

• Creating foreign key fields in the contacts table
• Linking to users and groups tables
• Understanding foreign key behaviors like Restrict, Sentinel, and Cascade

Foreign Key Implementation Steps

The video walks through a detailed process of:

• Adding a 'group ID' field to the contacts table
• Creating foreign key for 'user ID' linked to users table
• Adding foreign key for 'group ID' linked to groups table
• Demonstrating data insertion and navigation

Watch the Full Tutorial

Watch the full video tutorial here to get a comprehensive understanding of creating multiple foreign keys in phpMyAdmin.

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