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OrientDB is the 6th most popular graph database according to the DB-Engines graph database ranking, [3] as of January 2024. The development of OrientDB relies on an open-source community. The project uses GitHub [ 4 ] to manage the sources, contributors and versioning.
Commons: reusable Java libraries and utilities too small to merit their own project BCEL: Bytecode Engineering Library; Daemon: Commons Daemon; Jelly: Jelly is a Java and XML based scripting engine. Jelly combines the best ideas from JSTL, Velocity, DVSL, Ant and Cocoon all together in a simple yet powerful scripting engine
Voldemort does not try to satisfy arbitrary relations and the ACID properties, but rather is a big, distributed, persistent hash table. [2] A 2012 study comparing systems for storing application performance management data reported that Voldemort, Apache Cassandra, and HBase all offered linear scalability in most cases, with Voldemort having the lowest latency and Cassandra having the highest ...
Dali prototype was a research project at Bell Labs. It was commercialized and used by Lucent as database for in premier wireline and wireless products. DuckDB: DuckDB Labs 2019 C/C++, Python, R, Java, Go, Rust, Node.js, Wasm, ODBC, ADBC, and more [2] Open source (MIT License)
Students developed a Database Storage Engine for LimeSurvey 2.0, and implemented the much demanded “File upload question” type. [11] In November, LimeSurvey also participated in the Google Code-in, a similar program rewarding high school students to contribute to open source projects. [ 12 ]
The CycL and SubL interpreter (the program that allows users to browse and edit the database as well as to draw inferences) was released free of charge, but only as a binary, without source code. It was made available for Linux and Microsoft Windows. The open source Texai [9] project released the RDF-compatible content extracted from OpenCyc. [10]
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 ...