EntityTypeBuilder does not contain a definition for ToTable in EF Core

For net core 3.1, need to install these packages:

Microsoft.EntityFrameworkCore
Microsoft.EntityFrameworkCore.Relational

I had this problem, but did not need to install:

Microsoft.EntityFrameworkCore.Relational

I simply exited VS 2017 and re-opened my solution. I had the following NuGet packages installed:

Microsoft.EntityFrameworkCore
Microsoft.EntityFrameworkCore.Tools

And the following CLI Tool Reference:

Microsoft.EntityFrameworkCore.Tools.DotNet

You should add the nuget package Microsoft.EntityFrameworkCore.SqlServer, since this is a Microsoft SQL method.

Installing Microsoft.EntityFrameworkCore.Relational is the correct solution, as Ivan says.

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