Be sure to read the current known issues regarding ASP.NET Core and native AOT compatibility. "In future previews, we're working to enable more features of ASP.NET Core and supporting technologies ...

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.

A major new version of the open-source database, which will run natively on Windows and includes various enterprise features, is set for release this month.