BookMgnt.Migrations.Initialize.Down C# (CSharp) Метод

        public override void Down()
        {
            DropForeignKey("dbo.UserRoles", "RoleID", "dbo.Roles");
            DropForeignKey("dbo.UserRoles", "UserID", "dbo.Users");
            DropForeignKey("dbo.Comments", "UserID", "dbo.Users");
            DropForeignKey("dbo.Comments", "BookID", "dbo.Books");
            DropForeignKey("dbo.Books", "CategoriesID", "dbo.Categories");
            DropIndex("dbo.UserRoles", new[] { "RoleID" });
            DropIndex("dbo.UserRoles", new[] { "UserID" });
            DropIndex("dbo.Comments", new[] { "UserID" });
            DropIndex("dbo.Comments", new[] { "BookID" });
            DropIndex("dbo.Books", new[] { "CategoriesID" });
            DropTable("dbo.UserRoles");
            DropTable("dbo.Roles");
            DropTable("dbo.Users");
            DropTable("dbo.Comments");
            DropTable("dbo.Categories");
            DropTable("dbo.Books");
        }