Chapter 2: Database Models

Databases have been around since 1960, when Charles W. Bachman created the first DBMS called Integrated Database System.1 Since then, hundreds of database servers have been built to solve different needs. There are many categories of database servers, but the most popular models are relational, key value, document stores, and graph.2

This chapter will go into the basics of each as well as compare and contrast their differences.

  1. A Brief History of Database Management 

  2. DB-Engines Ranking