IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'Tafsili' AND  COLUMN_NAME = 'CodeKolSanadPardakhti')
begin
	print 'Ok'
end
else
begin
	alter table Tafsili
	add	CodeKolSanadPardakhti bigint foreign key references Kol(code)
end
go
IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'Tafsili' AND  COLUMN_NAME = 'CodeMoinSanadPardakhti')
begin
	print 'Ok'
end
else
begin
	alter table Tafsili
	add	CodeMoinSanadPardakhti bigint foreign key references Moin(code)
end