Normalization & Database Design Principles

Data Types & Constraints

What is a Relational Database?

Design schema for social media platform

Create junction table for many-to-many

Implement self-referencing hierarchy

Test CASCADE options with sample data

Explain difference between 1:N and M:N relationships

How would you design schema for social media platform?

What is difference between CASCADE and RESTRICT?

How do you implement one-to-one relationship?

Database Relationships Guide

Foreign Key Constraints

CASCADE Options Explained