Unleash Core Data: Fetching Data, Migrating, and Maintaining Persistent Stores

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022

A. TsadokUnleash Core Datahttps://doi.org/10.1007/978-1-4842-8211-3_3

3. The Data Model

Avi Tsadok¹  

(1)

Tel Mond, Israel

 

Where there is data smoke, there is business fire.

—Thomas Redman

In the previous chapter, we talked about the Core Data stack. That gave us a good overview of what Core Data is and how it’s built.

Now it’s time to start digging in!

The first stack layer is our data model – that’s why we will start exploring there.

In this chapter, we’ll talk about

• The Core Data model editor

• What are entities and how to add them

• What are attributes and what types of attributes do we have

• How to generate classes based on our entities

• How to configure the attributes ...