【多选题】
A when control file metadata for archive log backups or image copies has been overwritten in the target databases control file due to being older than CONTROL FILE RECORD KEEP TIME
B when control file metadata for data file backups or image copies has been overwritten in the target databases control file due to being older than CONTROL FILE RECORD KEEP TIME
C when a backup of the current control file is created
D when the target is first registered
E when a new tablespace is added to a registered target database
查看更多