IF  EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[EST_NF_SAI_EST_NF_SAI]')) 
	BEGIN 
		RETURN;
	END
ELSE
BEGIN
CREATE TABLE [dbo].[EST_NF_SAI_EST_NF_SAI](
	[CD_EMP] [int] NOT NULL,
	[CD_FILIAL] [int] NOT NULL,
	[CD_NF] [int] NOT NULL,
	[CD_NF_RELACIONADA] [int] NOT NULL,
 CONSTRAINT [PK_EST_NF_SAI_EST_NF_SAI] PRIMARY KEY CLUSTERED 
(
	[CD_EMP] ASC,
	[CD_FILIAL] ASC,
	[CD_NF] ASC,
	[CD_NF_RELACIONADA] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]

ALTER TABLE [dbo].[EST_NF_SAI_EST_NF_SAI]  WITH CHECK ADD  CONSTRAINT [FK_EST_NF_SAI_EST_NF_SAI_EST_NF_SAI] FOREIGN KEY([CD_EMP], [CD_FILIAL], [CD_NF])
REFERENCES [dbo].[EST_NF_SAI] ([CD_EMP], [CD_FILIAL], [CD_NF])

ALTER TABLE [dbo].[EST_NF_SAI_EST_NF_SAI] CHECK CONSTRAINT [FK_EST_NF_SAI_EST_NF_SAI_EST_NF_SAI]

ALTER TABLE [dbo].[EST_NF_SAI_EST_NF_SAI]  WITH CHECK ADD  CONSTRAINT [FK_EST_NF_SAI_EST_NF_SAI_EST_NF_SAI1] FOREIGN KEY([CD_EMP], [CD_FILIAL], [CD_NF_RELACIONADA])
REFERENCES [dbo].[EST_NF_SAI] ([CD_EMP], [CD_FILIAL], [CD_NF])

ALTER TABLE [dbo].[EST_NF_SAI_EST_NF_SAI] CHECK CONSTRAINT [FK_EST_NF_SAI_EST_NF_SAI_EST_NF_SAI1]
END

