What is the default instance in SQL Server?

How do I find the default SQL Server instance name?

On a default (no-name) instance, just use hostname only for SQL connections. 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."

What is the default instance name for SQL Server 2017?

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

What is the default instance service name?

The default instance (if you install it) is listed as SQL Server (MSSQLSERVER).

How do I set the default SQL instance?

Use SSMS to Connect to the Local Default Instance1For Server Type it is Database Engine.2For the Server Name, we can simply use a dot (.) which will connect to the local default instance of SQL Server.3For the Authentication you can select Windows or SQL Server. ... 4Then click Connect.