CREATE TABLE [dbo].[Customer](
    [Id] [int] IDENTITY(1,1) NOT NULL,
    [Name] [nvarchar](50) NULL,
    [Phone] [nvarchar](16) NULL,
 CONSTRAINT [PK_Customer] PRIMARY KEY CLUSTERED 
(
    [Id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]

CREATE TABLE [dbo].[Order](
    [Id] [int] IDENTITY(1,1) NOT NULL,
    [OrderName] [nvarchar](50) NULL,
    [Content] [nvarchar](256) NULL,
    [CustomerId] [int] NOT NULL,
 CONSTRAINT [PK_Order] PRIMARY KEY CLUSTERED 
(
    [Id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]

GO

ALTER TABLE [dbo].[Order]  WITH CHECK ADD  CONSTRAINT [FK_CustomerOrder] FOREIGN KEY([CustomerId])
REFERENCES [dbo].[Customer] ([Id])
GO

ALTER TABLE [dbo].[Order] CHECK CONSTRAINT [FK_CustomerOrder]