Databases

• SQL | W3Schools W3Schools have lots of clear simple example for different types of SQL queries

• Databases: how they work, and a brief history Amazing summary of the history of databases, what they are, how they work and the different types

• Database Relationships

• A beginner’s guide to many-to-many relationships

• SQL Injection | W3Schools Summary of one of the most common ways web apps get hacked

• Express SQLite example An example of how you might structure a project using Express & SQlite