RxDB Offline Database（アールエックスディービーオフラインデータベース）
RxDB 2024年公開JavaScript Reactive Database。Pro 業界Pro Mainstream JavaScript Reactive Offline Database先駆 + Pro RxJS Observable + Pro Replication Plugin + Pro Encryption + Pro Schema Migration + Pro Apache 2.0 OSS + Pro 累計2018-2026年8年Heritage継承代表機。
概要
RxDB Offline Database(アールエックスディービー オフライン データベース)はRxDB(Daniel Meyer-Lehnert創業 + 2018-RxDB初代公開 + 2024 v15 GA + GitHub 22K+ Stars) 2024年公開JavaScript Reactive Offline Databaseで、Pro 業界Pro Mainstream JavaScript Reactive Offline Database先駆 + Pro Apache 2.0 OSS + Pro RxJS Observable + Pro 7 Storage Adapter + Pro 9 Replication Plugin + Pro Schema/Migration/Encryption/Compression + Pro Multi-Tab Support + 累計2018-2026年8年Heritage Pro Top独占代表機。RxDB主要機能: (1)RxDB主導(Daniel Meyer-Lehnert + 2018-初代公開 + GitHub 22K+ Stars)、(2)Pro 業界Pro Mainstream JavaScript Reactive Offline Database先駆、(3)Pro Apache 2.0 OSS(Premium Plugin有償)、(4)Pro RxJS Observable Query結果、(5)Pro Multiple Storage Adapters 7種(IndexedDB/SQLite/OPFS/MongoDB/LokiJS/Memory/Dexie)、(6)Pro Schema(JSON Schema検証) + Schema Migration、(7)Pro Encryption(Web Crypto API) + Compression(LZ-string)、(8)Pro Replication Plugin 9種(GraphQL/REST/CouchDB/WebRTC/P2P/SSE/WebSocket/Firestore/Supabase)、(9)Pro Conflict Resolution(Custom Strategy)、(10)Pro Real-time rxQuery$.subscribe()、(11)Pro Multi-Tab Support(BroadcastChannel/SharedWorker)、(12)Pro Backup Plugin + Attachments + Local Documents、(13)Pro CRDTs Plugin(2024 Beta)、(14)Pro React/Vue/Angular/Svelte/Solid Hook + React Native + Capacitor + Electron、(15)Pro Server Plugin(Express/Fastify) + REST API + SSR Support、(16)Pro Free OSS Core + Premium Plugin有償(Crypto Plus/Attachment Optimized等)、(17)Pro 採用: Pro Web/Mobile/Desktop Offline App/Real-time Sync/Multi-Tab、(18)累計2018-2026年8年Heritage Pro Top独占。
主な特徴・仕組み
- GA: 2024 RxDB v15 + CRDTs Plugin Beta
- RxDB: Daniel Meyer-Lehnert + 2018-初代公開 + GitHub 22K+ Stars
- Pro 業界Pro Mainstream JavaScript Reactive Offline Database先駆
- Apache 2.0 OSS Core + Premium Plugin有償
- RxJS Observable Query結果
- 7 Storage Adapter IndexedDB/SQLite/OPFS/MongoDB/LokiJS/Memory/Dexie
- JSON Schema検証 + Schema Migration
- Encryption Web Crypto API + Compression LZ-string
- 9 Replication Plugin GraphQL/REST/CouchDB/WebRTC/P2P/SSE/WebSocket/Firestore/Supabase
- Conflict Resolution Custom Strategy + Real-time rxQuery$.subscribe()
- Multi-Tab Support BroadcastChannel/SharedWorker
- Backup Plugin + Attachments BLOB + Local Documents
- CRDTs Plugin(2024 Beta)
- React/Vue/Angular/Svelte/Solid Hook
- React Native + Capacitor + Electron対応
- Server Plugin Express/Fastify + REST API + SSR Support
- 採用: Pro Web/Mobile/Desktop Offline App/Real-time Sync/Multi-Tab
- 累計2018-2026年8年Heritage
スペック比較表
| Reactive DB | クエリ | Storage | Replication | OSS |
|---|---|---|---|---|
| RxDB | RxJS Observable | 7 Adapter(IndexedDB/SQLite/OPFS等) | 9 Plugin(GraphQL/CouchDB/WebRTC等) | Apache 2.0 |
| Dexie.js | Promise + Observable | IndexedDB専用 | dexie-cloud | Apache 2.0 |
| PouchDB | Promise + EventEmitter | IndexedDB/LevelDB | CouchDB Sync | Apache 2.0 |
| WatermelonDB | Reactive | SQLite/LokiJS | 任意 Backend | MIT |
| LokiJS | Sync Query | Memory + Adapter | - | MIT |
具体例・対応製品
- RxDB v15 GA + CRDTs Plugin Beta (2024): JavaScript Reactive Offline Database先駆
- RxDB初代公開 (2018): Daniel Meyer-Lehnert
- RxDB v10 (2020)
- RxDB v13 (2022)
- RxDB v15 GA + CRDTs Plugin Beta (2024)
- RxDB v16 (2025予定)
- 採用: Pro Web/Mobile/Desktop Offline App/Real-time Sync/Multi-Tab
自作PCでの選び方・注意点
RxDB選択ポイント: (1)Pro JavaScript Reactive Offline Database先駆 + 8年Heritage、(2)Pro RxDB Daniel Meyer-Lehnert + Pro 2018-初代公開 + GitHub 22K+ Stars、(3)Pro Apache 2.0 OSS Core + Pro RxJS Observable Query + Pro 7 Storage Adapter(IndexedDB/SQLite/OPFS/MongoDB/LokiJS/Memory/Dexie) + Pro JSON Schema + Schema Migration、(4)Pro Encryption Web Crypto API + Compression LZ-string + Pro 9 Replication Plugin(GraphQL/REST/CouchDB/WebRTC/P2P/SSE/WebSocket/Firestore/Supabase) + Pro Conflict Resolution Custom Strategy + Real-time rxQuery$.subscribe() + Pro Multi-Tab Support、(5)Pro CRDTs Plugin Beta + Pro React/Vue/Angular/Svelte/Solid + React Native/Capacitor/Electron + Pro Server Plugin Express/Fastify + Pro Web/Mobile/Desktop Offline App/Real-time Sync/Multi-Tab採用 真価発揮。
関連用語との違い
Dexie.js: David Fahlander + Pro IndexedDB Wrapper Promise先駆 + Pro Apache 2.0 OSS + 累計2014-2026年12年Heritage。RxDB(2024 v15 GA + RxDB + Pro JavaScript Reactive Offline Database先駆 + Pro 7 Storage + 9 Replication + Apache 2.0 + 累計8年Heritage)競合 + 直接競合 + Pro Dexie → Pro RxDB + Pro IndexedDB専用 → Pro Multi Storage(7種) + Pro Promise+Observable → Pro RxJS Observable + 12年 vs 8年Heritage。
PouchDB: Pro CouchDB Sync Browser DB先駆 + Pro Apache 2.0 OSS + 累計2012-2026年14年Heritage。RxDB(2024 v15 GA + RxDB + Pro JavaScript Reactive Offline Database先駆 + Pro 7 Storage + 9 Replication + 累計8年Heritage)競合 + 直接競合 + Pro PouchDB → Pro RxDB + Pro CouchDB Sync専用 → Pro 9 Replication Plugin + Pro Promise+Event → Pro RxJS Observable + 14年 vs 8年Heritage。
よくある質問(FAQ)
Q1: Pro JavaScript Reactive Offline Database先駆 + 8年Heritage 効果? A: 2024 RxDB v15 GA + CRDTs Plugin Beta発売Pro Famous Story類無し + Pro 業界Pro Mainstream JavaScript Reactive Offline Database先駆 + 累計2018-2026年8年Pro Mainstream JavaScript Reactive Offline DB業界Top独占Heritage Pro Reference。
Q2: Pro RxJS Observable + Pro 7 Storage Adapter + Pro 9 Replication Plugin + Pro Schema Migration + Pro Multi-Tab + Pro CRDTs 効果? A: Pro Apache 2.0 OSS Core + Pro RxJS Observable Query結果 + Pro Multiple Storage Adapters 7種(IndexedDB/SQLite/OPFS/MongoDB/LokiJS/Memory/Dexie) + Pro Schema(JSON Schema検証) + Schema Migration + Pro Encryption(Web Crypto API) + Compression(LZ-string) + Pro Replication Plugin 9種(GraphQL/REST/CouchDB/WebRTC/P2P/SSE/WebSocket/Firestore/Supabase) + Pro Conflict Resolution(Custom Strategy) + Pro Real-time rxQuery$.subscribe() + Pro Multi-Tab Support(BroadcastChannel/SharedWorker) + Pro Backup Plugin + Attachments + Local Documents + Pro CRDTs Plugin(2024 Beta) + Pro React/Vue/Angular/Svelte/Solid Hook + React Native/Capacitor/Electron + Pro Server Plugin Express/Fastify + REST API + SSR Heritage Pro Reference。
Q3: Pro Web/Mobile/Desktop Offline App/Real-time Sync/Multi-Tab採用 効果? A: Pro 採用: Pro Web/Mobile/Desktop Offline App/Real-time Sync/Multi-Tab + Pro RxDB系譜(初代公開 2018/v10 2020/v13 2022/v15 GA + CRDTs Plugin Beta 2024/v16 2025予定継承) + Pro Multi-Generation Heritage Pro Reference。
まとめ
- 2024 RxDB v15 GA + CRDTs Plugin Beta、Pro JavaScript Reactive Offline Database先駆
- Daniel Meyer-Lehnert + 2018-初代公開 + GitHub 22K+ Stars
- RxJS Observable + 7 Storage Adapter + JSON Schema + Migration
- 9 Replication Plugin GraphQL/CouchDB/WebRTC/Firestore/Supabase
- React/Vue/Angular/Svelte/Solid + RN/Capacitor + Apache 2.0 + 8年Heritage