Configure database connection settings in ASP.NET Core When you create a new ASP.NET Core project in Visual Studio, the appsettings.json file is created by default.

Use custom-built .NET Framework 4.0 classes to connect an ASP.NET Web application to a SQL Server 2012 database.

Entity Framework Core allows you to store and retrieve data to and from an in-memory database. It’s a quick and easy way to test your ASP.NET Core 6 web applications.

Database connectivity gives desktop and Web applications much of their value. . NET developers have products and framework objects that can tie a front-end application to SQL Server, MySQL, Sybase, ...