MDK.01.01---P-21-SQL-

CONSTRAINT [PK_Client] PRIMARY KEY CLUSTERED ( [ID] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, OPTIMIZE_FOR_SEQUENTIAL_KEY = OFF) ON [PRIMARY] ) ON [PRIMARY] GO

ALTER TABLE [dbo].[Client] WITH CHECK ADD CONSTRAINT [FK_Client_Gender] FOREIGN KEY([GenderCode]) REFERENCES [dbo].[Gender] ([Code]) GO

ALTER TABLE [dbo].[Client] CHECK CONSTRAINT [FK_Client_Gender] GO

https://learn.microsoft.com/ru-Ru/visualstudio/data-tools/create-a-simple-data-application-with-wpf-and-entity-framework-6?view=vs-2022