1# ArkData (ArkData Management) 2 3- [Introduction to ArkData](data-mgmt-overview.md) 4- Unified Data Definition 5 - [Unified Data Definition Overview](unified-data-definition-overview.md) 6 - [Uniform Data Types](uniform-data-type-descriptors.md) 7 - [Uniform Data Structs](uniform-data-structure.md) 8- Application Data Persistence 9 - [Application Data Persistence Overview](app-data-persistence-overview.md) 10 - [Persisting Preferences Data](data-persistence-by-preferences.md) 11 - [Persisting KV Store Data](data-persistence-by-kv-store.md) 12 - [Persisting RDB Store Data](data-persistence-by-rdb-store.md) 13- Distributed Application Data Synchronization 14 - [Distributed Application Data Synchronization Overview](sync-app-data-across-devices-overview.md) 15 - [Cross-Device Synchronization of KV Stores](data-sync-of-kv-store.md) 16 - [Cross-Device Synchronization of RDB Stores](data-sync-of-rdb-store.md) 17 - [Cross-Device Synchronization of Distributed Data Objects](data-sync-of-distributed-data-object.md) 18- Data Reliability and Security 19 - [Data Reliability and Security Overview](data-reliability-security-overview.md) 20 - [Database Backup and Restoration](data-backup-and-restore.md) 21 - [Database Encryption](data-encryption.md) 22 - [Access Control by Device and Data Level](access-control-by-device-and-data-level.md) 23- Cross-Application Data Sharing 24 - [Data Sharing Overview](data-share-overview.md) 25 - One-to-Many Data Sharing (for System Applications Only) 26 - [Sharing Data Using DataShareExtensionAbility](share-data-by-datashareextensionability.md) 27 - [Silent Access via the DatamgrService](share-data-by-silent-access.md) 28 - Many-to-Many Data Sharing 29 - [Sharing Data Using Unified Data Channels](unified-data-channels.md) 30- [RelationalStore Development (C/C++)](native-relational-store-guidelines.md) 31