---
title: Introduction to Atomic Store Programming Topics
framework: cocoa
role: article
path: apple-archive/documentation/Cocoa/Conceptual/AtomicStore_Concepts/Introduction
---

# Introduction to Atomic Store Programming Topics

Describes how to use the Core Data atomic store API to create persistent stores that use a custom format.

## Organization of This Document

This document contains the following articles:

- [Atomic Store Fundamentals](../Articles/asFundamentals.html#//apple_ref/doc/uid/TP40004526-SW1) describes the fundamental concepts that underly the atomic store. - [Atomic Store Life-cycle](../Articles/asLifecycle.html#//apple_ref/doc/uid/TP40004527-SW1) describes the life-cycle of an atomic store. You should read this article to learn what methods are invoked on a store when, and what the store is expected to do as a result. This will help you to understand how to implement a custom store. - [Registering a Custom Store Type](../Articles/asRegistration.html#//apple_ref/doc/uid/TP40005301-SW1) describes how to register a custom atomic store type. - [Initializing a Store and Loading Data](../Articles/asLoading.html#//apple_ref/doc/uid/TP40005298-SW1) describes how initialize and load data into a custom atomic store.

[Next](../Articles/asFundamentals.html)

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