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Oracle NoSQL Database: Key-value Yes Yes Yes Yes No Java Oracle AGPLv3 License or proprietary Couchbase: Document Yes Yes Yes Yes, with two-phase commits [7] Yes C++, Erlang, C, [8] Go: CouchDB, Memcached: Apache 2.0: CouchDB: Document Yes Yes replication + load balancing Atomicity is per document, per CouchDB instance [9] No Erlang
Apache CouchDB is an open-source document-oriented NoSQL database, implemented in Erlang. CouchDB uses multiple formats and protocols to store, transfer, and process its data. It uses JSON to store data, JavaScript as its query language using MapReduce, and HTTP for an API. [2]
This is a comparison of object–relational database management systems (ORDBMSs). Each system has at least some features of an object–relational database ; they vary widely in their completeness and the approaches taken.
Small footprint embedded database. Diverse indexes and specialized collection classes; LINQ; replication; ACID transactions; native full text search; includes Silverlight, Android and Java ME demo apps. Picolisp: 3.1.1 Picolisp MIT License: DB built into the language Versant Object Database / VOD / FastObjects 10 (2021) / 9 (2015) / 14 (2020 ...
Couchbase Server is a packaged version of Couchbase's open source software technology and is available in a community edition without recent bug fixes with an Apache 2.0 license [11] and an edition for commercial use. [12] Couchbase Server builds are available for Ubuntu, Debian, Red Hat, SUSE, Oracle Linux, Microsoft Windows and macOS ...
That need prompted MongoDB (NASDAQ: MDB) to introduce Atlas, a non-relational database that can store unstructured data types. However, Oracle responded by introducing its own non-relational database.
MongoDB grew rapidly because its non-relational database, which collected unstructured data, was more flexible and customizable than older relational databases which relied on rigid tables and charts.
Some - can only reverse engineer the entire database at once and drops any user modifications to the diagram (can't "refresh" the diagram to match the database) Forward engineering - the ability to update the database schema with changes made to its entities and relationships via the ER diagram visual designer Yes - can update user-selected ...