---
title: NSReadOnlyPersistentStoreOption
framework: coredata
role: symbol
role_heading: Global Variable
path: coredata/nsreadonlypersistentstoreoption
---

# NSReadOnlyPersistentStoreOption

A flag that indicates whether a store is treated as read-only or not.

## Declaration

```swift
let NSReadOnlyPersistentStoreOption: String
```

## Discussion

Discussion The default value is false.

## See Also

### Constants

- [NSValidateXMLStoreOption](coredata/nsvalidatexmlstoreoption.md)
- [NSPersistentStoreTimeoutOption](coredata/nspersistentstoretimeoutoption.md)
- [NSSQLitePragmasOption](coredata/nssqlitepragmasoption.md)
- [NSSQLiteAnalyzeOption](coredata/nssqliteanalyzeoption.md)
- [NSSQLiteManualVacuumOption](coredata/nssqlitemanualvacuumoption.md)
- [NSPersistentStoreFileProtectionKey](coredata/nspersistentstorefileprotectionkey.md)
- [NSPersistentStoreForceDestroyOption](coredata/nspersistentstoreforcedestroyoption.md)