Introduction
The purpose of the mapping model tool is to create a mapping model for use with the Core Data framework to support data migration. For a discussion of data migration, see Core Data Model Versioning and Data Migration Programming Guide; for more about Core Data, see Core Data Programming Guide.
You should read this document to understand the features of the Xcode mapping model tool, the fundamentals of how to create a mapping model and how to use the tool to edit the model.
Organization of This Document
The document is organized into the following sections:
Creating and Updating a Mapping Model describes how to create and update a mapping model.
The Mapping Model Pane describes the features of the mapping model tool.
Displaying Differences Between Models describes how you can show the differences between two mapping models.
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