§8.1.

Chapter 8

Databases

This chapter explores database technology and database management systems:

  • What is a database?

  • What is the difference between a database and a database management system?

  • What is the difference between a SQL database and a NoSQL database?

  • How is the PostgreSQL database management system used in web applications?

  • How is the MongoDB database management system used in web applications?

  • What is Object Relational Mapping (ODM) and Object Document Mapping (ODM)?