Databases and caching systems

Databases and caching systems, organized by category.

• DB-Engines
• Production service databases
  Databases used to back production services and applications, organized by data model.
• Operational databases
  Databases used for operational data such as caching, metrics, and logs.
• Analytical databases
  Databases and storage systems built for analytical workloads, organized by type.
• Distributed databases
  Databases designed to scale horizontally across clusters of machines.