A. An SCN is never used to perform a Flashback Table recovery.
B. If a significant number of changes have been made to the table,row movement must be enabled.
C. The tablespace must be offline before performing a Flashback Table recovery.
D. Flashback Table recovery is completely dependent on the availability of undo data in the undo tablespace.
答案:(D)
解析:
A(X),SCN肯定会用到,即使没显式使用,Oracle自己也会使用
B(X),任何情况下都需要开启行移动
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