Q97 Which two statements are true about undo and undo tablespaces?

Q97 Which two statements are true about undo and undo tablespaces?

  • (A). There can be only one undo tablespace created in a database.
  • (B). An instance will crash if the active undo tablespace is lost.
  • (C). An undo tablespace may be owned by only one instance.
  • (D). undo segments are owned by SYSTEM.
  • (E). undo segments are owned by SYSBACKUP.
0 0 đánh giá
Đánh giá bài viết
Theo dõi
Thông báo của
guest
0 Góp ý
Phản hồi nội tuyến
Xem tất cả bình luận