Hour 24. Migrating Data Models

What You’ll Learn in This Hour:

• Exploring the data migration continuum for Core Data

• Working with data model versions

• No-effort data migration: undestanding the changes that do not matter

• Using automatic lightweight migration

• Understanding basic mapping migration

• Moving beyond basic mapping migration

Introducing the Core Data Migration Continuum

There really is no single Core Data migration process. As you learn in this hour, data migration (a necessary part of all databases in the real world as described in “Managing Data Migration” following this section), is a continuum of tools and approaches. At its most simple, Core Data provides functionality that lets you modify a data model and continue to ...

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