What is a database model, identify the different types of database according to the model. Find a representative image of each kind of model.

A database model is a type of data model that determines the logical structure of a database and fundamentally determines in which manner data can be stored, organized, and manipulated.

DATABASE MODELS:

Flat model
Early data models :Hierarchical model, Network model and Inverted file model
Relational model 
Post-relational model: Graph model, Multivalue model and Object-oriented database models