Mike
I don't know the answer at your question, like you have asked it, but I did so name global update tor Oracle ( for many keys ) and particulary from VFP remote cursor from Oracle.
It is described in my paper at last UT magazine
Vladimir
MVP-2006-2011, PHD in Math and Physics ,
host of
www.foxclub.ru,
VFP lector at Interface and Microinform companies
Head science researcher of VNIIA Rosatom.