1# ArkData (Ark Data Management) 2 3- [Introduction to ArkData](data-mgmt-overview.md) 4- Unified Data Definition<!--uniform-data-definition--> 5 - [Unified Data Definition Overview](unified-data-definition-overview.md) 6 - [UTDs (ArkTS)](uniform-data-type-descriptors.md) 7 - [Uniform Data Structs (ArkTS)](uniform-data-structure.md) 8 - [Prebuilt UTDs](uniform-data-type-list.md) 9- Application Data Persistence<!--app-data-persistence--> 10 - [Application Data Persistence Overview](app-data-persistence-overview.md) 11 - [Persisting User Preferences (ArkTS)](data-persistence-by-preferences.md) 12 - [Persisting User Preferences (C/C++)](preferences-guidelines.md) 13 - [Persisting KV Store Data (ArkTS)](data-persistence-by-kv-store.md) 14 - [Persisting RDB Store Data (ArkTS)](data-persistence-by-rdb-store.md) 15 - [Persisting RDB Store Data (C/C++)](native-relational-store-guidelines.md) 16 - [Persisting Vector Store Data (ArkTS)](data-persistence-by-vector-store.md) 17 - [Persisting Vector Store Data (C/C++)](native-vector-store-guidelines.md) 18- Distributed Application Data Sync<!--distributed-data-sync--> 19 - [Overview of Distributed Application Data Sync](sync-app-data-across-devices-overview.md) 20 - [Cross-Device Sync of KV Stores (ArkTS)](data-sync-of-kv-store.md) 21 - [Cross-Device Sync of RDB Stores (ArkTS)](data-sync-of-rdb-store.md) 22 - [Cross-Device Sync of Distributed Data Objects (ArkTS)](data-sync-of-distributed-data-object.md) 23- Data Reliability and Security<!--data-reliability-security--> 24 - [Data Reliability and Security Overview](data-reliability-security-overview.md) 25 - [Database Backup and Restore (ArkTS)](data-backup-and-restore.md) 26 - [Database Encryption (ArkTS)](data-encryption.md) 27 - [Access Control by Device and Data Level (ArkTS)](access-control-by-device-and-data-level.md) 28 - [Using an EL5 Database (ArkTS)](encrypted_estore_guidelines.md) 29- Cross-Application Data Sharing<!--cross-app-data-share--> 30 - [Overview of Cross-Application Data Sharing](data-share-overview.md) 31 - One-to-Many Data Sharing<!--one-to-many-data-share--> 32 <!--Del--> 33 - [Sharing Data Using DataShareExtensionAbility (ArkTS) (for System Applications Only)](share-data-by-datashareextensionability.md) 34 - [Silent Access via DatamgrService (ArkTS) (for System Applications Only)](share-data-by-silent-access.md) 35 <!--DelEnd--> 36 - [Sharing Configurations Between Applications (ArkTS)](share-config.md) 37 - Many-to-Many Data Sharing<!--many-to-many-data-share--> 38 - [Sharing Data via Unified Data Channels (ArkTS)](unified-data-channels.md) 39- [Application Data Vectorization (ArkTS)](aip-data-intelligence-embedding.md) 40- [SQLite Debugging Tool](sqlite-database-debug-tool.md) 41- [ArkData Terms](data-terminology.md) 42