InterSystems Caché
InterSystems Cache®, a high-performance database, powers transaction processing applications all over the globe. It's used for everything, from mapping a million stars in the Milky Way to processing a trillion equity trades per day to managing smart energy grids.
InterSystems has developed Cache, a multi-model (object-relational, key-value), DBMS and application server.
InterSystems Cache offers multiple APIs that allow you to work with the same data simultaneously: key/value, relational/object, document, multidimensional, object, object, and object. Data can be managed using SQL, Java, node.js.NET, C++ and Python.
Cache also offers an application server that hosts web apps (CSP, REST, SOAP and other types TCP access for Cache data).
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BoltDB
Bolt is a pure-Go key/value store that was inspired by Howard Chu's LMDB Project. The project's goal is to provide a simple, reliable, and fast database for projects that do not require a full database server like Postgres or MySQL. Bolt is intended to be used as a low-level piece. The API will be simple and focus only on setting values and getting values. That's all. Bolt's original purpose was to provide a pure Go key/value storage and not add unnecessary features. The project has been a great success. The project's scope is limited, but it is still complete. It takes a lot of energy and time to maintain an open-source database. Code changes can have unintended consequences, sometimes even catastrophic ones. Even simple changes require hours of testing and validation.
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LeanXcale
LeanXcale is fast and scalable database that combines SQL and NoSQL. It can ingest large batches of data and make it available via SQL or GIS for any purpose, including operational applications, analytics and dashboarding. No matter which stack you use, LeanXcale offers both SQL and NoSQL interfaces. The KiVi storage engine can be used as a relational key/value data store. The data can be accessed via the standard SQL API or a direct ACID key/value interface. This key-value interface allows users data ingestion at extremely high rates and efficiently, while avoiding SQL processing overhead. High-scalable, efficient, and distributed storage engine distributed data along a cluster to improve performance and increase reliability.
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InterSystems IRIS
InterSystems IRIS, a cloud-first data platform, is a multi-model transactional database management engine, application development platform, interoperability engine and open analytics platform. InterSystems IRIS offers a variety of APIs that allow you to work with transactional persistent data simultaneously. These include key-value, relational and object, document, and multidimensional. Data can be managed by SQL, Java, node.js, .NET, C++, Python, and native server-side ObjectScript language. InterSystems IRIS features an Interoperability engine as well as modules for building AI solutions. InterSystems IRIS features horizontal scalability (sharding and ECP), and High Availability features such as Business intelligence, transaction support and backup.
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