Database machine

A database machine or back end processor is a computer or special hardware that stores and retrieves data from a database. It is specially designed for database access and is coupled to the main (front-end) computer(s) by a high-speed channel. This contrasts with a database server, which is a computer in a local area network that holds a database. The database machine is tightly coupled to the main CPU, whereas the database server is loosely coupled via the network.

An example is the IBM System/38.

This article was originally based on material from the Free On-line Dictionary of Computing, which is licensed under the GFDL.

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