Q133 Which two statements are true about undo segments and the use of undo by transactions in an Oracle database instance?

Q133 Which two statements are true about undo segments and the use of undo by transactions in an Oracle database instance? (Choose two.)

  • A) Undo segments can wrap around to the first extent when a transaction fills the last extend of the undo segment
  • B) Undo segments can extend when a transaction fills the last extent of the undo segment
  • C) A single transaction may use multiple undo segments simultaneously
  • D) Undo segments can be stored in the SYSTEM tablespace
  • E) Undo segments can be stored in the SYSAUX tablespace
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