Which two statements regarding the LOGGING clause of the CREATE TABLESPACE. .. statement are correct?()
A:This clause is not valid for a temporary or undo tablespace.
B:If the tablespace is in the NOLOGGING mode, no operation on the tablespace will generate redo.
C:The tablespace will be in the NOLOGGING mode by default, if not specified while creating a tablespace.
D:The tablespace­level logging attribute can be overridden by logging specifications at the table, index, materialized view, materialized view log, and partition levels.
出自:Oracle认证