update vs4tpomb set tpobmaptpdtcode=tpobproductcode where tpobmaptpdtcode='' or tpobmaptpdtcode is null
GO
update vs4tpomb set tpobmaptuntcode=tpobtuntcode where tpobmaptuntcode='' or tpobmaptuntcode is null
GO
update vs4tpomb set tpobmapratiop=tpobunitfactor where tpobmapratiop=0 or tpobmapratiop is null
GO