Is a database instance a server?

Is an instance the same as a server?

An instance is a single copy of the software running on a single physical or virtual server. If you run two copies of the software on the same physical or virtual server, that counts as two instances.

Is a database considered a server?

A server is a computer program or a device that provides functionality for other programs or devices which are called clients while a database is an organized collection of data, generally stored and accessed electronically from a computer system. Thus, this is the main difference between server and database.

What is a database instance?

A database instance is a set of memory structures that manage database files. A database is a set of physical files on disk created by the CREATE DATABASE statement. The instance manages its associated data and serves the users of the database.

Is instance the same as database?

Database Versus Instance The database is the data on disk, stored in operating system files (or possibly, under Unix, in raw files). The instance is composed of the System Global Area (SGA) memory and the background processes.