IF not EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'BargehDetail' AND  COLUMN_NAME = 'Booth_ID')
begin
	alter table dbo.BargehDetail add Booth_ID	int references dbo.Booth(ID) null
end;
IF not EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'DaryaftPardakht' AND  COLUMN_NAME = 'Booth_ID')
begin
	alter table dbo.DaryaftPardakht add Booth_ID	int references dbo.Booth(ID) null
end;