试题详情
- 单项选择题In which situation may the UNDO_RETENTION parameter be ignored， even if it is set to a value（）
A、when the data file of the undo tablespace is autoextensible
B、when there are more than one undo tablespaces available in the database
C、when the undo tablespace is of a fixed size and retention guarantee is not enabled
D、when the undo tablespace is autoextensible and retention guarantee is not enabled
- C
关注下方微信公众号，在线模考后查看
热门试题