OCP換題庫了，052最新考題及答案整理-第11題
A) It is used to roll back failed transactions.
B) It is used to rewind a database by using FLASHBACK DATABASE.
C) It is used to recover dropped tables by using FLASHBACK TABLE … TO BEFORE DROP.
D) It is used to enable ROLLBACK statements to roll back uncommitted updates.
E) It is used to provide read consistency.
F) It is used during online backups to guarantee their consistency.
Answer:ADE
OCP換題庫了，052最新考題及答案整理-第11題
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