A.RMAN B.EXP C.EXPDP D.SQLLDR
A.DBWR數(shù)據(jù)寫入進(jìn)程 B.LGWR日志寫入進(jìn)程 C.SMON系統(tǒng)監(jiān)視進(jìn)程 D.ARCn日志歸檔進(jìn)程
A.graceful B.take over C.forced D.concurrent