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# Migration options

The options keys that configure the migration behavior of a persistent store.

## Topics

### Constants

[`NSIgnorePersistentStoreVersioningOption`](/documentation/CoreData/NSIgnorePersistentStoreVersioningOption)

Key to ignore the built-in versioning provided by Core Data.

[`NSMigratePersistentStoresAutomaticallyOption`](/documentation/CoreData/NSMigratePersistentStoresAutomaticallyOption)

Key to automatically attempt to migrate versioned stores.

[`NSInferMappingModelAutomaticallyOption`](/documentation/CoreData/NSInferMappingModelAutomaticallyOption)

Key to attempt to create the mapping model automatically.


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