单项选择题
A. 1,3,4,and 5
B. 7,3,4. and 5
C. 2,3,4,and 5
D. 7,4,3,and 5
E. Only 6 is required
单项选择题 Note the output of the following query; SQL> SELECT flashback_archieve_name, status FROM dba_flashback_archieve; FLASHBACK_ARCHIEVE_NAME STATUS FLA1 You executed the following command to enable Flashback Data Archive on the EXCHANGB_PATE table: ALTER TABLE exchange_rate FLASHBACK ARCHIEVE; What is the outcome of this command?()
单项选择题 Whichofthefollowingmethodscanbeusedtodetectblockcorruption?()
单项选择题 Whichofthefollowingisnotanadvantageofblockmediarecovery(BMR)?()