In order to
view and use an existing database in a ASP.NET Core API application, you must
Menu>View->SQL Server Object Explorer to connect a local
database server such as the .SQLExpress or a remote Azure database or SQL Server
the Visual Studio application afu MSSQLLocalDB, which also corresponds to a
reduced SQL Server database, applies.
the local database is available for editing, just like a SQL Server in the SQL
Server Management Console.
To manage the
data, you choose Database/Tables/ Database->View Data or ->ViewDesigner
database to the ASP.NET Core API application