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

Can a database have more than one instance?

First things first – you create a database in an instance, you don't create an instance in a database. You can have multiple instances on a server. An instance can have 1 or more databases.

What is multiple instance database?

Multiples instances give us the ability to spread load over more than one TempDB. Databases are stored in separate SQL intances which are more secured and very well protected from one another. They don't interfere with each other.

What is the benefit of installing multiple SQL Server instances on a single server?

The Benefits of Instance Stacking Lower SQL licensing costs – you only have to pay for one license, and then even Standard Edition lets you install dozens of instances on the same Windows base. Lower Windows licensing costs – you only have to pay for one Windows.

Can you have multiple SQL Server instances?

You can install multiple instances of SQL Server, or install SQL Server on a computer where earlier SQL Server versions are already installed. The following SQL Server-related items are compatible with the installation of multiple instances on the same computer: Database Engine. Analysis Services.