单选题Which command will result in a trace file being created with the create controlfile command contained in it？（）A alter database backup controlfileB alter database backup controlfile to traceC alter database controlfile backupD alter database controlfile backup to ’/ora01/oracle/ctrl_backup.ctl’E alter database begin controlfile backup
单选题
Which command will result in a trace file being created with the create controlfile command contained in it？（）
A
alter database backup controlfile
B
alter database backup controlfile to trace
C
alter database controlfile backup
D
alter database controlfile backup to ’/ora01/oracle/ctrl_backup.ctl’
E
alter database begin controlfile backup
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