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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]
NoSQL (originally referring to "non-SQL" or "non-relational") [1] is an approach to database design that focuses on providing a mechanism for storage and retrieval of data that is modeled in means other than the tabular relations used in relational databases. Instead of the typical tabular structure of a relational database, NoSQL databases ...
For caching, Couchbase competes with Memcached and Redis. For document databases, Couchbase competes with other document-oriented database systems. It is commonly compared with MongoDB , Amazon DynamoDB , Oracle RDBMS , DataStax , Google Bigtable , MariaDB , IBM Cloudant , Redis Enterprise , SingleStore , and MarkLogic .
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 ...
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 ...
Apache Cassandra is a free and open-source database management system designed to handle large volumes of data across multiple commodity servers. The system prioritizes availability and scalability over consistency , making it particularly suited for systems with high write throughput requirements due to its LSM tree indexing storage layer. [ 2 ]
A document-oriented database is a specialized key-value store, which itself is another NoSQL database category. In a simple key-value store, the document content is opaque. A document-oriented database provides APIs or a query/update language that exposes the ability to query or update based on the internal structure in the document. This ...