You are configuring time-zone support for your Oracle9i Forms application, which is accessed by users working across different time zones. You want to ensure that times committed to the database are "US/Central" times.
Which environment variables should you set?
A.
FORMS90_TZFILE only.
B.
FORMS90_DATETIME_LOCAL_TZ only.
C.
FORMS90_DATETIME_SERVER_TZ only.
D.
FORMS90_DATETIME_LOCAL_TZ and FORMS90_TZFILE.
E.
FORMS90_DATETIME_SERVER_TZ and FORMS90_TZFILE.
F.
FORMS90_DATETIME_SERVER_TZ and FORMS90_DATETIME_LOCAL_TZ