description RethinkDB Overview
RethinkDB is a distributed NoSQL document database with built-in real-time data streaming capabilities. It allows applications to subscribe to changes in data and receive updates in real-time. RethinkDB's flexible schema and scalability make it well-suited for applications requiring dynamic data structures and high availability. While its popularity has waned, it remains a viable option for specific use cases.
help RethinkDB FAQ
What makes RethinkDB different from MongoDB?
RethinkDB was designed around real-time change feeds, allowing an application to subscribe to changes in query results. MongoDB also offers change streams in modern releases, but RethinkDB made live query updates a central part of its original design.
What language is RethinkDB's query language written in?
RethinkDB uses ReQL, a query language expressed through driver calls and chained query terms rather than SQL statements. Official drivers were available for languages including JavaScript, Python, Ruby, and Java.
Is RethinkDB still maintained?
The original RethinkDB company shut down in 2016, after which the open-source project continued through community stewardship and the Linux Foundation ecosystem. Teams should check the current status of the specific community fork before choosing it for a new production system.
What are RethinkDB changefeeds used for?
Changefeeds let applications receive updates when matching documents change, which is useful for dashboards, multiplayer features, notifications, and collaborative tools. A client subscribes to a query and receives added, changed, or removed results instead of polling repeatedly.
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