单项选择题
tablespace point-in-time recovery is possible only with RMAN.()
A. True B. False
单项选择题 Ifabackupisexpired,whichofthefollowingistrue?()
多项选择题 Whatinformationdoesthereportschemacommandnotprovide?()
单项选择题 Whywouldyouexecutethereportobsoletecommand?()