单项选择题
A. by using the Flashback Table feature
B. by using the Flashback Database feature
C. by performing incomplete recovery using RMAN utility
D. by performing incomplete recovery using user-managed recovery
单项选择题 You have performed an incomplete recovery because some important user’s schema is dropped and purged from the Recycle Bin. The current logs are sequenced 1005 and 1006. After performing the recovery， you issued the following statement： SQL>ALTER DATABASE OPEN RESETLOGS； What will be the resultant log sequence numbers？（）
单项选择题 Inwhichscenariowillyouperformauser-managedincompleterecovery？（）
单项选择题 YoutooktheDATA1tablespaceofflineat10：00A.M.At12：30P.M.，aschemaofauserisdroppedandpurgedfromtheRecycleBin.Younoticedthisat2：00P.M.anddecidedtoperformanincompleterecovery.Whichdatafileswillyourecover？（）