Redis

18 In Memory Database 2015 In memory database perform most of their operations on data stored in computer memory. Many products support hybrid modes where some data is stored in memory and other data stored on disk. For persistence data is usually written back to disk at some point, although this…

In-memory databases are characterised by speed and the ability to perform complex processing at very high volumes. They have become feasible because of the low cost of memory and large addressable memory spaces. Several better known ones are listed below. Aerospike NoSQL database is a open source, clustered and distributed database…

Free and Open Source Document Database 2015 ArangoDB is a distributed free and open-source database with a flexible data model for documents, graphs, and key-values. Its query language AQL (ArangoDB Query Language) supports joins, graph queries, list iteration, results filtering, results projection, sorting, grouping, aggregate functions, unions and intersections. Transactions…