In SQL Server, the database can be stored in different files and filegroups. If your database is small (100 MB or less), you do not need to worry too much about files and filegroups. But if you have a ...

You create a data source name (DSN) to save database setup information, so you can open a connection to the SQL Server database without re-entering the server information.

Take advantage of connection resiliency in EF Core to detect errors and retry commands and enable your ASP.NET Core application to overcome transient faults.

The UseSqlServer extension method is used to register the SQL Server database provider with the Entity Framework Core runtime.