![]() The query does not have to re-run over the whole database but the new results will be calculated from the events. This makes sure that when you update/insert/remove documents, RxDB internally uses the Event-Reduce algorithm. One big benefit of having a realtime database is that big performance optimizations can be done when the database knows a query is observed and the updated results are needed continuously. When data is changed at one browser tab/window or Node.js process, the change will automatically be broadcasted to all other tabs so that they can update the UI properly. RxDB supports multi tab/window usage out of the box. No matter what kind of runtime you have, as long as it runs JavaScript, it can run RxDB: Browsers Node.js Electron React NativeĬapacitor NativeScript Flutter Quick startÄb. You can use RxDB on top of IndexedDB, OPFS, LokiJS, Dexie.js, in-memory, SQLite, in a WebWorker thread and even on top of FoundationDB. This increases code reuse because the same database code can be used in different JavaScript environments by just switching out the storage settings. ![]() RxDB is based on a storage interface that enables you to swap out the underlying storage engine. ![]() There are also plugins to easily replicate with GraphQL, CouchDB, Websocket, P2P, Firestore or NATS. RxDB provides an easy to implement, battle-tested replication protocol for realtime sync with your existing infrastructure. Replicate with your existing infrastructure Use the quickstart, read the documentation or explore the example projects. This increases code reuse because you can use the same database code for different JavaScript environments by just switching out the storage settings. RxDB provides an easy to implement protocol for realtime replication with your existing infrastructure or one of the plugins for GraphQL, CouchDB, Websocket, P2P, Firestore, NATS. This is great for UI-based realtime applications in a way that makes it easy to develop and also has great performance benefits but can also be used to create fast backends in Node.js. Reactive means that you can not only query the current state, but subscribe to all state changes like the result of a query or even a single field of a document. RxDB (short for Reactive Data base) is an offline-first, NoSQL-database for JavaScript Applications like Websites, hybrid Apps, Electron-Apps, Progressive Web Apps and Node.js. Note: My data will be mostly normal text along with a single Image each time while writing to DB.A fast, offline-first, reactive Database for JavaScript Applications ![]()
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