What is a default instance?

What is a default instance in SQL Server?

All, or all but one, of the SQL Server instances on a SQL Server will be named instances. The default instance is reachable by connecting to the name of the Windows Server, whereas named instances require an instance name, for example, Servername\InstanceName.

What is default instance SQL Server 2019?

The default instance actually has an instance name. It's MSSQLSERVER.

What is a server instance?

A server instance is a collection of SQL Server databases which are run by a solitary SQL Server service or instance. The details of each server instance can be viewed on the service console which can be web-based or command-line based.

What is SQL Server default name?

For additional informations see Instance Name (SQL Server Express) => Default instance "The default instance name is MSSQLSERVER; it does not require a client to specify the name of the instance to make a connection."