Can you have multiple instances to access one database?

What is multiple database instances?

General Meaning of a Database Instance This system includes multiple parts, including the relational database management system (RDBMS) software, table structure, stored procedures, and other functionality. Database administrators might create multiple instances of the same database for different purposes.

What is the benefit of having more than one instance connected to the database?

A second area in which multiple instances provide great benefit is server consolidation. Instead of having 10 machines to run 10 applications, a company can run all applications on one machine. With separate SQL Server instances, each application can still have its own administrator and its own users and permissions.

Can a server have multiple instances?

You can create more than one server instance on your system. Each server instance has its own instance directory, and database and log directories. Multiply the memory and other system requirements for one server by the number of instances planned for the system.

What is an instance of a database?

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.