Bob Pawley schrieb: > Our application will be dispersed amongst many users. > > I want to keep the datbase as generic as possible. > you can "disperse" custom datatypes as well. If this isnt an option, I'd go for a true relational approach with a units table and your main table (value,min,max,unit_id) as real columns. Regards Tino PS: please consider my private message to you regarding e-mail formatting