## ArkData (Ark Data Management)

- [Introduction to ArkData](../database/data-mgmt-overview.md)
- Unified Data Definition
  - [Unified Data Definition Overview](../database/unified-data-definition-overview.md)
  - [Unified Data Types](../database/uniform-data-type-descriptors.md)
  - [Unified Data Structs](../database/uniform-data-structure.md)
- Application Data Persistence
  - [Application Data Persistence Overview](database/app-data-persistence-overview.md)
  - [Persisting Preferences Data](../database/data-persistence-by-preferences.md)
  - [Persisting KV Store Data](../database/data-persistence-by-kv-store.md)
  - [Persisting RDB Store Data](../database/data-persistence-by-rdb-store.md)
- Distributed Application Data Synchronization
  - [Distributed Application Data Synchronization Overview](../database/sync-app-data-across-devices-overview.md)
  - [Cross-Device Synchronization of KV Stores](../database/data-sync-of-kv-store.md)
  - [Cross-Device Synchronization of RDB Stores](../database/data-sync-of-rdb-store.md)
  - [Cross-Device Synchronization of Distributed Data Objects](../database/data-sync-of-distributed-data-object.md)
- Data Reliability and Security
  - [Data Reliability and Security Overview](../database/data-reliability-security-overview.md)
  - [Database Backup and Restore](../database/data-backup-and-restore.md)
  - [Database Encryption](../database/data-encryption.md)
  - [Access Control by Device and Data Level](../database/access-control-by-device-and-data-level.md)
- Cross-Application Data Sharing
  - [Data Sharing Overview](../database/data-share-overview.md)
  - One-to-Many Data Sharing (for System Applications Only)
    - [Sharing Data Using DataShareExtensionAbility](../database/share-data-by-datashareextensionability.md)
    - [Silent Access via the DatamgrService](../database/share-data-by-silent-access.md)
  - Many-to-Many Data Sharing
    - [Sharing Data via Unified Data Channels](../database/unified-data-channels.md)

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