SQL Server — Single instance vs Multiple instances

The Database Engine sits at the core of the SQL Server components which operate as a service on a machine and they are frequently referred to as an instance of SQL Server. As we know that in SQL Server, single-instance and multiple-instance deployments have distinct architectures, configurations, and use cases.

🌐In each organization, Data is a commercial asset that is audited and secured. To succeed in business, every company must ensure that high-quality data is available to everyone who require it. 🌟As data expands in size, it becomes critical to understand the various types and storage options accessible.

It is very important decision to choose single instance or multiple instance in database designing based on business requirement, environment set up, cost & budgeting, app/DB size etc. factors.

An instance is nothing but known as a collection (copy of the server files, databases and security credentials) of SQL Server databases run by a single SQL Server service which can have many databases on there and each instance can be started or stopped individually.

🎯Single Instance of SQL Server

A single instance of SQL Server refers to running only one instance on a given server.