1# Data Management 2 3- [Data Management Overview](data-mgmt-overview.md) 4- Application Data Persistence 5 - [Overview of Application Data Persistence](app-data-persistence-overview.md) 6 - [Persisting Preferences Data](data-persistence-by-preferences.md) 7 - [Persisting KV Store Data](data-persistence-by-kv-store.md) 8 - [Persisting RDB Store Data](data-persistence-by-rdb-store.md) 9- Distributed Application Data Synchronization 10 - [Distributed Application Data Synchronization Overview](sync-app-data-across-devices-overview.md) 11 - [Cross-Device Synchronization of KV Stores](data-sync-of-kv-store.md) 12 - [Cross-Device Synchronization of RDB Stores](data-sync-of-rdb-store.md) 13 - [Cross-Device Synchronization of Distributed Data Objects](data-sync-of-distributed-data-object.md) 14- Data Reliability and Security 15 - [Data Reliability and Security Overview](data-reliability-security-overview.md) 16 - [Database Backup and Restoration](data-backup-and-restore.md) 17 - [Database Encryption](data-encryption.md) 18 - [Access Control by Device and Data Level](access-control-by-device-and-data-level.md) 19- Cross-Application Data Sharing (for System Applications Only) 20 - [Cross-Application Data Sharing Overview](share-device-data-across-apps-overview.md) 21 - [Sharing Data Using DataShareExtensionAbility](share-data-by-datashareextensionability.md) 22 - [Sharing Data in Silent Access](share-data-by-silent-access.md) 23