A.This clause is not valid for a temporary or undotablespace.
B.If thetablespaceis in the NOLOGGING mode， no operation on thetablespacewill generate redo.
C.Thetablespacewill be IntheNOLOGGING mode by default， if not specified while creating atablespace.
D.Thetablespace-level logging attribute can be overridden by logging specification at the table， index， materialized view， materialized view log， and partition levels.