``` CREATE TABLE [dbo].[OrderShippingDetails]( [Addressee] [nvarchar](max) NOT NULL, [CityOrTown] [nvarchar](max) NOT NULL, [Country] [nvarchar](max) NOT NULL, [LineOne] [nvarchar](max) NOT NULL, [LineTwo] [nvarchar](max) NULL, [OrderId] [int] NOT NULL, [StateOrProvince] [nvarchar](max) NOT NULL, [ZipOrPostalCode] [nvarchar](max) NOT NULL, CONSTRAINT [PK_OrderShippingDetails] PRIMARY KEY NONCLUSTERED ( [OrderId] ASC ) ``` ``` modelBuilder.Entity<OrderShippingDetails>(entity => { entity.Key(e => e.OrderId); } ); ``` Note that there is no `Required()` call for Addressee etc.