Hi Alexander,
If you mean visually in the DBC, I don't believe you can (not sure about this). However, you can do it programatically with SET RELATION when needed.
>How create relation many (regular index) to one (primery index)
Colin Magee
Team Leader, Systems Development
Metroland Media Group Ltd.
Mississauga, Ontario, Canada
cmagee@metroland.comNever mistake having a career with having a life.