Why would you use the following FLASHBACK TABLE command?() FLASHBACK TABLE emp TO TIMESTAMP (’11:45’,’hh12:mi’);
A:to undo the changes made to the EMP table since the specified time
B:to restore the EMP table that was wrongly dropped from the database
C:to view the transactions that have modified the EMP table since the specified time
D:to view the changes made to the EMP table for one or more rows since the specified time
E:to recover the EMP table to a point in time in the past by restoring the most recent backup
出自:Oracle认证