Core Data

Learn how to use Core Data to create an manage a database for your iOS applications. After reading this guide, you will know how to create a database, how to store, search, and retrieve information, and how to migrate data from an old database to a new one.


Table of Contents


CORE DATA

Object Graph

Data Model

Core Data Stack

Managed Object

Managing Objects

Counting Objects

Predicates

Sort Descriptors

Delete Objects

Fetched Results Controller

Sections

Search

Migration


QUICK REFERENCE

NSPersistentContainer

NSManagedObjectContext

NSManagedObject

NSFetchRequest

NSPredicate

NSSortDescriptor

NSFetchedResultsController

NSFetchedResultsControllerDelegate

NSFetchedResultsSectionInfo


This guide assumes that you have a basic knowledge of app development, Xcode, and the Swift language. You should also know how to create and display Table Views. If you don't know how to program in Swift, how to work with Table Views, or how to create an application with Xcode, download our guides Introduction to Swift, Table Views and Collection Views, and Interface Builder. For a complete course on app development for iOS, read our book iOS Apps for Masterminds.


This guide is a collection of excerpts from the book iOS Apps for Masterminds. The information included in this guide will help you understand a particular aspect of app development in iOS, but it will not teach you everything you need to know to develop an app for Apple devices. If you need a complete course on app development for iOS, read our book iOS Apps for Masterminds. For more information, visit our website at www.formasterminds.com.