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hybrid database

Contributor(s): Sarah Lewis

A hybrid database is a type of real-time database system that uses both on-disk and in-memory data storage by deciding which is most suitable for a given task.  This type of database is beneficial when systems require reliable performance but is limited in size and it increases reliability in case of an issue such as a power outage.

Prior to the development of hybrid databases, organizations were forced to choose between in-memory database (IMDB) or persistent database management systems. But as big data and cloud storage became more beneficial to enterprises, increased access times needed to be addressed. In response, hybrid databases combine the speed of IMDB with the storage capacity of database management systems (DBMS). Using rapid data access through in-memory capabilities, hybrid database users are able to quickly sort, store, manipulate and retrieve data.

Due to the combination of in-memory and on-disk storage support, hybrid databases provide a flexible, durable and cost effective solution for developers. Hard disks are used to retain data long-term while memory is used for dynamic data use, increasing performance without increasing the database footprint. Hybrid databases also have the ability to run transactional and analytical workloads simultaneously, which gives software designers more flexibility when updating or creating applications.

This was last updated in July 2019

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