要在Oracle的RMAN中启用控制文件自动备份功能,下列哪个命令是正确的:
ACONFIGURE CONTROLFILE AUTOBACKUP
BCONFIGURE CONTROLFILE AUTOBACKUP ON
CCONFIGURE CONTROLFILE AUTOBACKUP START
DCONFIGURE CONTROLFILE AUTOBACKUP STARTUP
ACONFIGURE CONTROLFILE AUTOBACKUP
BCONFIGURE CONTROLFILE AUTOBACKUP ON
CCONFIGURE CONTROLFILE AUTOBACKUP START
DCONFIGURE CONTROLFILE AUTOBACKUP STARTUP